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Nonfiction
- Outermost: The Art + Life of Jack Gaughan (2010) with Luis Ortiz
- One More Time (1978)
- The Wind from the Seven Suns (1981)
- [John W. Campbell Appreciation] (1971)
- An Apprenticeship: Artist (1994)
- Everything You Wanted to Know About the Elements of Style (1974)
- Gaughan by Gaughan (1969) with Richard A. Lupoff
- Gaughan by Gaughan (1969) with Dick Lupoff
- Gaughan on Robinson (1978)
- Hannes Bok (1968)
- I Don't Like My Hand (1969)
- Letter (Algol, Summer-Fall 1978) (1978)
- Letter (Locus #271) (1983)
- Letter (Locus #294) (1985)
- Letter (New Venture, Winter 1975) (1975)
- Letter (Science Fiction Review, August 1969) (1969)
- Letter (Science Fiction Review, January 1969) (1969)
- Letter (Science Fiction Review, January 1971) (1971)
- Letter to Psychotic, May 1968 (1968)
- Letter to Psychotic, September 1968 (1968)
- Letter to Science Fiction Review, December 1969 (1969)
- Letter: Confessions of an India Pale Drinker (1968)
- Notes from the Belfry (Locus #102) (1971)
- Notes from the Belfry (Locus #108) (1972)
- Notes from the Belfry (Locus #110) (1972)
- Notes from the Belfry: Just Take a Little Off the Lip (1973)
- Notes from the Belfry: The One Eyed Man Is King? (1972)
- The Role of the Artist in Science Fiction (1976) with Frank Kelly Freas and Eddie Jones and John Schoenherr and Karel Thole
- The Spirit Was Willing (1977)
- 'Ware Hawk (1983)
- 17 X Infinity (1969)
- 17 X Infinity (1969) with Gaughan
- 6 x H (1963)
- A Darkness in My Soul (1972)
- A Gift from Earth (1970)
- A Planet of Your Own (1966)
- A Private Cosmos (1968)
- A Promising Planet (1970)
- A Specter Is Haunting Texas (1969)
- A Talent for the Invisible (1973)
- A Way Home (1968)
- A World Aflame (1974)
-
Adam Link — Robot?Adam Link - Robot(1965)
-
Adieu planètes !?Adieu planetes ![French] (1979)
- After 12,000 Years (1950)
- Agent wider Willen [German] (1974)
- Algol, #12 (1967)
- Algol, #25, Winter 1976 (1976)
- Algol, #31, Spring 1978 (1978)
- Almuric (1964)
- Alpha Centauri or Die! (1963)
-
Alpha et Oméga?Alpha et Omega[French] (1977)
- Alpha Yes, Terra No! (1965)
- Amazing Science Fiction, January 1984 (1984)
- Amazing Science Fiction, March 1983 (1983)
- An Exercise for Madmen (1978)
- Analog 2 (1965)
- Analog Science Fiction/Science Fact, December 1975 (1975)
- Analog Science Fiction/Science Fact, December 1978 (1978)
- Analog Science Fiction/Science Fact, December 1984 (1984)
- Analog Science Fiction/Science Fact, February 1974 (1974)
- Analog Science Fiction/Science Fact, June 1976 (1976)
- Analog Science Fiction/Science Fact, March 1975 (1975)
- Analog Science Fiction/Science Fact, March 1983 (1983)
- Analog Science Fiction/Science Fact, May 1973 (1973)
- Analog Science Fiction/Science Fact, May 1974 (1974)
- Analog Science Fiction/Science Fact, May 1975 (1975)
- Analog Science Fiction/Science Fact, Mid-December 1984 (1984)
- Analog Science Fiction/Science Fact, November 1974 (1974)
- Analog Science Fiction/Science Fact, November 1976 (1976)
- Analog Science Fiction/Science Fact, October 1972 (1972)
- Analog Science Fiction/Science Fact, September 1973 (1973)
- Angriff aus dem Mikrokosmos [German] (1980)
- Anthropol (1968)
- Arena of Antares (1974)
- Astronave Stardust [Italian] (1977)
- Atomstormen [Swedish] (1975)
- Avenger of Antares (1975)
- Battle for the Stars (1964)
- BayCon: 26th World SF Convention (1968)
- Beachhead Planet (1970)
- Behold the Stars (1965)
- Berserker's Planet (1975)
- Beyond the Stars (1963)
- Bladesman of Antares (1975)
- Bow Down to Nul (1966)
- Brain-X-90, Android [German] (1975)
- Bug Jack Barron (1969)
- Burning with a Vision: Poetry of Science and the Fantastic (1984)
- C.O.D. Mars (1968)
- Captives of the Flame (1963)
- Century of the Manikin (1972)
- Chasse cosmique [French] (1976)
- Children of the Lens (1966)
- Children of the Lens (1970)
- Children of the Lens (1973)
- City of a Thousand Suns (1965)
- City of Illusions (1967)
- Clash of Star-Kings (1966)
- Cosmic Engineers (1964)
- Cosmic Engineers (1967)
- Cosmos Science Fiction and Fantasy Magazine, November 1977 (1977)
- Cosmos Science Fiction and Fantasy Magazine, September 1977 (1977)
- Cradle of the Sun (1969)
- Crusoë op Mars [Dutch] (1972)
- Damnation Alley (1969)
- Danger from Vega (1966)
- Dangerous Visions and New Worlds: Radical Science Fiction, 1950 to 1985 (2021) with Robert Bonfils and Jerry Cosgrove and Jim Dietz and Jan Esteves and Antony Maitland and Mercer Mayer and David Pelham and Richard Powers and Lawrence Ratzkin and Gene Szafran and Murray Tinkelman and John Yates
- Dark Piper (1969)
- Dark Planet (1971)
- Darkover Landfall (1972)
- Dawnman Planet (1966)
- Demons' World (1964)
- Destinazione stelle [Italian] (1976)
- Det hände i morgon 6 [Swedish] (1977)
- Die Ersten der Galaxis [German] (1969)
- Die Rebellen von Terra [German] (1973)
- Die Stadt des Todes [German] (1974)
- Die Welt der Biums [German] (1978)
- Dimension 4 (1964)
-
Dommer eller dømt / Thots krone?Dommer eller domt / Thots krone[Norwegian (Bokmal)] (1974)
- Dr. Bloodmoney or How We Got Along After the Bomb (1965)
-
Duas épocas em conflito?Duas epocas em conflito[Portuguese] (1974)
- Dune Messiah (1969)
- Durchbruch nach Sumanol [German] (1978)
- Dwellers of the Deep (1970)
-
Dödens drömmar?Doedens droemmar[Swedish] (1983)
-
Dödens stjärna?Dodens stjarna[Swedish] (1974)
- Earth Enslaved (1974)
- Echo X (1964)
- Eight Against Utopia (1967)
- Eight Stories from The Rest of the Robots (1966)
- Empire Star (1966)
- Enemy Within the Skull (1974)
- Energiesperre [German] (1974)
-
Entführung in die Zukunft?Entfuehrung in die Zukunft[German] (1971)
- Entry to Elsewhen (1972)
- Exiles of Time (1965)
- Falcons of Narabedla (2015)
- Fantastic Stories of Imagination, March 1963 (1963)
- Fantasy Book, Vol. 1, No. 6 (1950)
- Fear That Man (1969)
-
Fientlig värld?Fientlig varld[Swedish] (1975)
- First Lensman (1964)
- First Lensman (1970)
- Five Against Arlane (1967)
- Fliers of Antares (1975)
- Flight from Yesterday (1963)
- Flux (1974)
- Four for Tomorrow (1967)
- Fugitive of the Stars (1965)
- Galactic Patrol (1966)
- Galactic Patrol (1970)
- Galaktische Odyssee [German] (1968)
- Galaxie (2ème série), #14 [French] (1965)
- Galaxie (2ème série), #16 [French] (1965)
- Galaxie (2ème série), #19 [French] (1965)
- Galaxie (2ème série), #50 [French] (1968)
- Galaxy #38 [Italian] (1961)
- Galaxy #38 [Italian] (1961) with Gaughan
- Galaxy #39 [Italian] (1961)
- Galaxy #39 [Italian] (1961) with Gaughan
- Galaxy #40 [Italian] (1961)
- Galaxy #40 [Italian] (1961) with Gaughan
- Galaxy #53 [Italian] (1962)
- Galaxy #53 [Italian] (1962) with Gaughan
- Galaxy #62 [Italian] (1963)
- Galaxy #62 [Italian] (1963) with Gaughan
- Galaxy #9 [Italian] (1959)
- Galaxy Magazine [UK], No. 91 April 1962 (1962) with Gaughan
- Galaxy Magazine [UK], No. 93 August 1962 (1962) with Gaughan
- Galaxy Magazine, April 1962 (1962)
- Galaxy Magazine, April 1962 (1962) with Gaughan
- Galaxy Magazine, April 1966 (1966)
- Galaxy Magazine, April 1966 (1966) with Gaughan
- Galaxy Magazine, April 1970 (1970)
- Galaxy Magazine, April 1970 (1970) with Gaughan
- Galaxy Magazine, April 1971 (1971)
- Galaxy Magazine, April 1971 (1971) with Gaughan
- Galaxy Magazine, August 1962 (1962)
- Galaxy Magazine, August 1962 (1962) with Gaughan
- Galaxy Magazine, August-September 1970 (1970)
- Galaxy Magazine, August-September 1970 (1970) with Gaughan
- Galaxy Magazine, December 1958 (1958)
- Galaxy Magazine, December 1958 (1958) with Gaughan
- Galaxy Magazine, December 1969 (1969) with Phoebe Gaughan
- Galaxy Magazine, December 1970 (1970)
- Galaxy Magazine, December 1970 (1970) with Gaughan
- Galaxy Magazine, February 1962 (1962)
- Galaxy Magazine, February 1962 (1962) with Gaughan
- Galaxy Magazine, February 1963 (1963)
- Galaxy Magazine, February 1963 (1963) with Gaughan
- Galaxy Magazine, February 1967 (1967)
- Galaxy Magazine, February 1967 (1967) with Gaughan
- Galaxy Magazine, February 1970 (1970)
- Galaxy Magazine, February 1970 (1970) with Gaughan
- Galaxy Magazine, February 1971 (1971)
- Galaxy Magazine, February 1971 (1971) with Gaughan
- Galaxy Magazine, January 1971 (1971)
- Galaxy Magazine, January-February 1972 (1972)
- Galaxy Magazine, January-February 1972 (1972) with Gaughan
- Galaxy Magazine, July 1968 (1968)
- Galaxy Magazine, July 1968 (1968) with Gaughan
- Galaxy Magazine, July 1970 (1970)
- Galaxy Magazine, July 1970 (1970) with Gaughan
- Galaxy Magazine, July-August 1971 (1971)
- Galaxy Magazine, July-August 1971 (1971) with Gaughan
- Galaxy Magazine, July-August 1972 (1972)
- Galaxy Magazine, July-August 1972 (1972) with Gaughan
- Galaxy Magazine, June 1970 (1970)
- Galaxy Magazine, June 1970 (1970) with Gaughan
- Galaxy Magazine, March 1970 (1970)
- Galaxy Magazine, March 1970 (1970) with Gaughan
- Galaxy Magazine, March 1971 (1971)
- Galaxy Magazine, March 1971 (1971) with Gaughan
- Galaxy Magazine, March-April 1972 (1972)
- Galaxy Magazine, March-April 1972 (1972) with Gaughan
- Galaxy Magazine, May 1970 (1970)
- Galaxy Magazine, May 1970 (1970) with Gaughan
- Galaxy Magazine, May-June 1971 (1971)
- Galaxy Magazine, May-June 1971 (1971) with Gaughan
- Galaxy Magazine, May-June 1972 (1972)
- Galaxy Magazine, May-June 1972 (1972) with Gaughan
- Galaxy Magazine, November 1969 (1969)
- Galaxy Magazine, November 1969 (1969) with Gaughan
- Galaxy Magazine, October-November 1970 (1970)
- Galaxy Magazine, October-November 1970 (1970) with Gaughan
- Galaxy Magazine, September 1968 (1968)
- Galaxy Magazine, September 1968 (1968) with Gaughan
- Galaxy Magazine, September-October 1971 (1971)
- Galaxy Magazine, September-October 1971 (1971) with Gaughan
- Galaxy of the Lost (1973)
- Galaxy Science Fiction [UK], April 1970 (1970) with Gaughan
- Galaxy Science Fiction [UK], April 1974 (1974)
- Galaxy Science Fiction [UK], August 1970 (1970) with Gaughan
- Galaxy Science Fiction [UK], December 1969 (1969) with Gaughan
- Galaxy Science Fiction [UK], January 1970 (1970) with Phoebe Gaughan
- Galaxy Science Fiction [UK], July 1970 (1970) with Gaughan
- Galaxy Science Fiction [UK], July-August 1972 (1972)
- Galaxy Science Fiction [UK], June 1970 (1970)
- Galaxy Science Fiction [UK], March 1970 (1970) with Gaughan
- Galaxy Science Fiction [UK], March 1974 (1974)
- Galaxy Science Fiction [UK], May 1970 (1970) with Gaughan
- Galaxy Science Fiction [UK], May-June 1972 (1972)
- Galaxy Science Fiction [UK], May-June 1973 (1973)
- Galaxy Science Fiction [UK], No. 54 (1957) with Gaughan
- Galaxy Science Fiction [UK], No. 59 (1958) with Gaughan
- Galaxy Science Fiction [UK], No. 71 (1959) with Gaughan
- Galaxy Science Fiction [UK], September-October 1967 (1967)
- Galaxy Science Fiction, December 1957 (1957)
- Galaxy Science Fiction, December 1957 (1957) with Gaughan
- Galaxy Science Fiction, July 1957 (1957)
- Galaxy Science Fiction, July 1957 (1957) with Gaughan
- Galaxy science fiction, november 1958 [Swedish] (1958)
- Galaxy, April 1974 (1974)
- Galaxy, April 1975 (1975)
- Galaxy, April 1975 (1975) with Gaughan
- Galaxy, March 1974 (1974)
- Galaxy, May-June 1973 (1973)
- Galaxy, May-June 1973 (1973) with Gaughan
- Galaxy, November 1973 (1973)
- Galaxy, October 1974 (1974)
- Gambler's World (2012)
- Garan the Eternal (1973)
- Gates to Tomorrow (1973)
- Gather in the Hall of the Planets (1971)
- Genius Unlimited (1972)
- Gholanporten [Swedish] (1974)
- Give Warning to the World (1974)
- Gray Lensman (1965)
- Gray Lensman (1970)
- Gray Lensman (1970) with J. Gaughan
- Gray Lensman (1974)
- Gryphon in Glory (1981)
- Hellflower (1969)
- Here Abide Monsters (1973)
- Het ingeblikte geheugen [Dutch] (1975)
- Het science fiction universum [Dutch] (1977)
- Huon of the Horn (1963)
- I Am Legend (1970)
- If, #10 [UK] (1961)
- If, #3 [UK] (1960)
- If, April 1970 (1970)
- If, April 1970 (1970) with Gaughan
- If, August 1965 (1965)
- If, August 1965 (1965) with Gaughan
- If, August-September 1970 (UK) (1970) with Gaughan
- If, December 1966 (1966)
- If, December 1969 (1969)
- If, December 1969 (1969) with Gaughan
- If, December 1969 (UK) (1969) with Gaughan
- If, February 1970 (UK) (1970) with Gaughan
- If, July 1967 (1967)
- If, July-August 1970 (1970)
- If, July-August 1970 (1970) with Gaughan
- If, July-August 1971 (1971)
- If, July-August 1971 (1971) with Gaughan
- If, June-July 1970 (UK) (1970) with Gaughan
- If, March 1960 (1960)
- If, March 1969 (1969)
- If, March 1970 (UK) (1970) with Gaughan
- If, March-April 1971 (1971)
- If, March-April 1971 (1971) with Gaughan
- If, May 1961 (1961)
- If, May 1967 (1967)
- If, May 1967 (1967) with Gaughan
- If, May 1970 (UK) (1970) with Gaughan
- If, May-June 1970 (1970)
- If, May-June 1970 (1970) with Gaughan
- If, May-June 1971 (1971)
- If, May-June 1971 (1971) with Gaughan
- If, November 1963 (1963)
- If, November 1969 (1969)
- If, November 1969 (1969) with Gaughan
- If, November 1969 (UK) (1969) with Gaughan
- If, November-December 1970 (1970)
- If, November-December 1970 (1970) with Gaughan
- If, November-December 1971 (1971)
- If, November-December 1971 (1971) with Gaughan
- If, October 1965 (1965)
- If, October 1965 (1965) with Gaughan
- If, October 1969 (1969)
- If, October 1969 (1969) with Gaughan
- If, September-October 1970 (1970)
- If, September-October 1970 (1970) with Gaughan
- Index to the Science Fiction Magazines 1968 (1969)
- International Science Fiction, November 1967 (1967)
- International Science-Fiction, June 1968 (1968)
- Invader on My Back (1968)
- Invasion of the Robots (1965)
- Invasion of the Robots (1969)
- Isaac Asimov's Science Fiction Magazine, April 1979 (1979)
- Isaac Asimov's Science Fiction Magazine, February 1979 (1979)
- Isaac Asimov's Science Fiction Magazine, March 1980 (1980)
- Isaac Asimov's Science Fiction Magazine, March-April 1978 (1978)
- Isaac Asimov's Science Fiction Magazine, May 1979 (1979)
- Jewel of Jarhen (1974)
- Jules Verne magasinet, december 1974 [Swedish] (1974)
- Jules Verne magasinet. Bibliografi 1969-2013 [Swedish] (2021)
- Katastrof! [Swedish] (1974)
- King Kobold (1971)
- King of the World's Edge (1967)
- La guerra contro i Rull [Italian] (1977)
- La sentinelle de l'espace [French] (1974)
- Le missioni di Capitan Ken libero agente spaziale [Italian] (1983)
- Les hommes stellaires [French] (1974)
- Limbo (1963)
- Locus, #101 November 19, 1971 (1971)
- Locus, #24 March 28, 1969 (1969)
- Lord Kalvan of Otherwhen (1965)
- Los vengadores de Carrig [Spanish] (1972)
-
Lucky Starr på Merkurius?Lucky Starr paa Merkurius[Swedish] (1976)
- Luna #4 (Special Issue) (1965)
- Magazine de Ficção Científica, January 1971 [Portuguese] (1971)
- Manhounds of Antares (1974)
- Mask of Chaos (1970)
- Masters of the Lamp (1970)
- Masters of the Vortex (1968)
- Masters of the Vortex (1970)
- Masters of the Vortex (1974)
- Mercenary from Tomorrow (1968)
- Merlin's Mirror (1975)
- Message from the Eocene (1964)
- Messia di Dune [Italian] (1974)
- Metropolis (1963)
- Monster of Metelaze (1973)
-
Monstret från Metelaze?Monstret fran Metelaze[Swedish] (1974)
- Moon of Three Rings (1967)
- Mutiny in Space (1969)
- Mutiny in Space (1974)
- Nebula Award Stories Number Two (1968)
- Necromancer (1978)
- Night Monsters (1969)
- Nightwings (1970)
- Niven's Laws (1984)
- No Night Without Stars (1975)
- Noah II (1970)
- None But Man (1971)
- Ocean on Top (1973)
- Odyssey, Summer 1976 (1976)
- Odyssey, Summer 1976 (1976) with John B. Gaughan
- Of Men and Monsters (1969)
- Off Center (1965)
- One Against the Legion (1967)
- One Million Centuries (1967)
- Operation Time Search (1969)
- Operation: Phantasy: The Best from The Phantagraph (1967)
- Orbit Unlimited (1978)
- Outermost: The Art + Life of Jack Gaughan (2010)
- Paingod and Other Delusions (1965)
- People of the Comet (1948)
- Perelandra [Swedish] (1975)
- Phileas Foggs hemliga dagbok [Swedish] (1974)
- Phoenix Ship (1969)
- Plague Ship (1978)
- Planet of Dread (1974)
- Planetary Agent X (1965)
- Planets of Adventure (1949)
- President Fu Manchu (1963)
- Pretentious Science Fiction Quarterly, Summer 1978 (1978)
- Prince of Scorpio (1974)
- Psychotic, January 1968 (1968)
- Quag Keep (1978)
- Quest Crosstime (1966)
- Raiders from the Rings (1963)
- Re-Birth (1970)
- Reality Forbidden (1967)
- Retief's War (1966)
- Retief's War (1966) with John B. Gaughan
- Robotar, UPA [Swedish] (1974)
- Rogue Dragon (1965)
- Rulers of Men (1965)
- S.O.S. from Three Worlds (1967)
- Sabotage 3: Maanstation [Dutch] (1972)
- Saga of Lost Earths (1966)
- Sandworm #7, Spring 1969 (1969)
- Sargasso of Space (1978)
- Scanners Live in Vain (2018)
- Science Fiction Chronicle, #84 September 1986 (1986)
- Science Fiction Novellas (1975)
- Science Fiction Review, August 1969 (1969)
- Science Fiction Review, December 1969 (1969)
- Science Fiction Review, January 1969 (1969)
-
Sechs Tore zur Hölle?Sechs Tore zur Hoelle[German] (1969)
- Second Stage Lensman (1973)
- Second Stage Lensmen (1965)
- Second Stage Lensmen (1970)
- Secret of the Lost Race (1978)
- Secret of the Marauder Satellite (1967)
- Seetee Alert! (1974)
- Sentinelle de l'espace [French] (1980)
- Shellbreak (1970)
- Ships to the Stars (1964)
- Sideslip (1968)
- Silverlock (1966)
- Sinister Barrier (1964)
- Skylark DuQuesne (1966)
- Skylark DuQuesne (1970)
- Skylark of Valeron (1970)
- Skylark Three (unknown)
- Skylark Three (1966)
- Skylark Three (1970)
- Skylark Three (1970) with J. Gaughan
- Slave Planet (1963)
- Slave Ship from Sergan (1973)
-
Slavskepp från Sergan?Slavskepp fran Sergan[Swedish] (1974)
- Sleeping Planet (1967)
- Soft Come the Dragons (1970)
- Solar Lottery (1968)
- Solaris (1970)
- Soldat från jorden [Swedish] (1974)
- Son of the Tree (1964)
- Sorceress of the Witch World (1977)
- Sos the Rope (1968)
- Space Lords (1965)
- Space Lords (1968)
- Space Tug (1965)
- Space, Time & Crime (1968)
- Spawn of Laban (1974)
- Spawn of Satan (1970)
- Speculation, #21 (1969)
- Spell of the Witch World (1972)
- Spell of the Witch World (1977)
- St. Louiscon Program Book (1969)
- Star Hunter (2019)
- Star of Danger (1965)
- Starshine (1966)
- Starshine (1969)
-
Stjärnpesten?Stjarnpesten[Swedish] (1975)
- Stormbringer (1967)
- Strange Doings (1973)
- Strange Fantasy, Fall 1970 (1970)
- Stranger Than You Think (1965)
- Straniero in terra straniera [Italian] (1977)
- Tales in a Jugular Vein (1965)
- Target: Terra (1968)
- Teaching Science Fiction: Education for Tomorrow (1980)
- Testwerelden van de Galaxie [Dutch] (1966)
- The 16th Golden Age of Science Fiction Megapack (2015)
- The 1973 Annual World's Best SF (1973)
- The 1974 Annual World's Best SF (1974)
- The 1975 Annual World's Best SF (1975)
- The 1976 Annual World's Best SF (1976)
- The 1977 Annual World's Best SF (1977)
- The 1978 Annual World's Best SF (1978)
- The 1979 Annual World's Best SF (1979)
- The 1980 Annual World's Best SF (1980)
- The Alien (1977)
- The Atom Conspiracy (1966)
- The Avengers of Carrig (1969)
- The Beasts of Kohl (1966)
- The Best from Fantasy and Science Fiction, Tenth Series (1965)
- The Best from Fantasy and Science Fiction: 14th Series (1968)
- The Best from Galaxy, Volume I (1972)
- The Best from the Rest of the World (1977)
- The Best of John Jakes (1977)
- The Blind Spot (1964)
- The Blind Worm (1970)
- The Book of Andre Norton (1975)
- The Book of Ellison (1978)
- The Book of Frank Herbert (1973)
- The Book of Fritz Leiber (1974)
- The Book of John Brunner (1976)
- The Book of Philip José Farmer (1973)
- The Book of Poul Anderson (1975)
- The Book of Rack the Healer (1973)
- The Book of Saberhagen (1975)
- The Brains of Earth (1966)
- The Brass Dragon (1969)
- The Byworlder (1978)
- The Closed Worlds (1968)
- The Coils of Time (1964)
- The Cometeers (1967)
- The Crossroads of Time (1978)
- The Crystal Gryphon (1972)
- The Dark Intruder & Other Stories / Falcons of Narabedla (1964)
- The Day of the Star Cities (1965)
- The Dragon Masters (1963)
- The Dreaming Earth (1974)
- The Duplicators (1964)
- The Eater of Worlds (1974)
- The Einstein Intersection (1967)
- The Electric Sword-Swallowers (1971)
- The Enormous Hourglass (1976)
- The Escape Orbit (1965)
- The Eyes of Bolsk (1969)
- The Eyes of the Overworld (1966)
- The Fall of the Dream Machine (1969)
- The Fantastic Swordsmen (1967)
- The Fellowship of the Ring (1965)
- The Fury from Earth (1963)
- The Game-Players of Titan (1963)
- The Ganymede Takeover (1967)
- The Genetic Buccaneer (1974)
- The Gholan Gate (1974)
- The Ghosts of Epidoris (1975)
- The Ghosts of Manacle (1964)
- The Golden People (1964)
- The Great Science Fiction Stories Volume 1, 1939 (1979)
- The Great Science Fiction Stories Volume 2, 1940 (1979)
- The Great Science Fiction Stories Volume 3, 1941 (1980)
- The Halcyon Drift (1972)
- The Heritage of Hastur (1975)
- The Horn of Time (1978)
- The House That Stood Still (1965)
- The Houses of Iszm (1964)
- The Invasion of the Body Snatchers (1973)
- The Jargoon Pard (1974)
- The Jewels of Aptor (1962)
- The Kar-Chee Reign (1966)
- The King in Yellow (1965)
- The Last Castle (1967)
- The Last Castle (Ace Science Fiction Reader) (1971)
- The Left Hand of Darkness (1969)
- The Legion of Space (1967)
- The Legion of Time (1967)
- The Long Twilight (1969)
- The Long Way Home (1978)
- The Lord of Death and The Queen of Life (1965)
- The Lost Millennium (1967)
- The Mad Metropolis (1966)
- The Magazine of Fantasy & Science Fiction, February 1980 (1980)
- The Magazine of Fantasy and Science Fiction, April 1964 (1964)
- The Magazine of Fantasy and Science Fiction, April 1966 (1966)
- The Magazine of Fantasy and Science Fiction, December 1964 (1964)
- The Magazine of Fantasy and Science Fiction, December 1967 (1967)
- The Magazine of Fantasy and Science Fiction, December 1968 (1968)
- The Magazine of Fantasy and Science Fiction, February 1964 (1964)
- The Magazine of Fantasy and Science Fiction, February 1965 (1965)
- The Magazine of Fantasy and Science Fiction, February 1971 (1971)
- The Magazine of Fantasy and Science Fiction, January 1966 (1966)
- The Magazine of Fantasy and Science Fiction, July 1965 (1965)
- The Magazine of Fantasy and Science Fiction, July 1967 (1967)
- The Magazine of Fantasy and Science Fiction, July 1968 (1968)
- The Magazine of Fantasy and Science Fiction, June 1970 (1970)
- The Magazine of Fantasy and Science Fiction, June 1973 (1973)
- The Magazine of Fantasy and Science Fiction, March 1967 (1967)
- The Magazine of Fantasy and Science Fiction, March 1976 (1976)
- The Magazine of Fantasy and Science Fiction, May 1969 (1969)
- The Magazine of Fantasy and Science Fiction, November 1969 (1969)
- The Magazine of Fantasy and Science Fiction, November 1970 (1970)
- The Magazine of Fantasy and Science Fiction, September 1966 (1966)
- The Maker of Universes (1965)
- The Man Who Saw Tomorrow (1968)
- The Many Worlds of Magnus Ridolph (1966)
- The Midwich Cuckoos (1969)
- The Mindblocked Man (1972)
- The Motion of Light in Water: Sex and Science Fiction Writing in the East Village, 1957-1965 (1988) with Thomas Canty
- The Night Face and Other Stories (1978)
- The Noblest Experiment in the Galaxy (1970)
- The Other Log of Phileas Fogg (1973)
- The Path Beyond the Stars (1969)
- The Path Beyond the Stars (1969) with Gaughan
- The Pictures of Pavanne (1968)
- The Planeteers (1966)
- The Prism (1968)
- The Proxy Intelligence and Other Mind Benders (1971)
- The Queen of Air and Darkness (1978)
- The Queen of Zamba (1977)
- The R-Master (1975)
- The Radio Man (1948)
- The Radium Pool (1949)
- The Rat Race (1950)
- The Rebellers (1963)
- The Rediscovery of Man: The Complete Short Science Fiction of Cordwainer Smith (1993)
- The Repairmen of Cyclops (1965)
- The Reproductive System (1974)
- The Return of the King (1965)
- The Rithian Terror (1965)
- The Sea is Boiling Hot (1971)
- The Second Book of Fritz Leiber (1975)
- The Second If Reader of Science Fiction (1970)
- The Second War of the Worlds (1976)
- The Ship from Atlantis (1967)
- The Ship That Sailed the Time Stream (1965)
- The Ship Who Sang (1969)
- The Ships of Durostorum (1970)
- The Silkie (1969)
- The Sioux Spaceman (1978)
- The Six Fingers of Time (2011)
- The Skylark of Space (1966)
- The Skylark of Space (1970)
- The Space Adventure Novels of Andre Norton (1978)
- The Space-Time Juggler (1963)
- The Stainless Steel Rat's Revenge (1970)
- The Star Kings (1967)
- The Star Magicians (1966)
- The Star Mill (1966)
- The Star Wasps (1963)
- The Stardroppers (1972)
- The Stealer of Souls and Other Stories (1967)
- The Stolen Sun (1967)
- The Time Machine and Other Stories (1969)
- The Time Tunnel (1967)
- The Time Twister (1968)
- The Time Twister (1968) with Gaughan
- The Time-Swept City (1977)
- The Tin Angel (1973)
- The Toymaker (1951)
- The Trees of Zharka (1975)
- The Twisted Men (1964)
- The Two Towers (1965)
- The Underpeople (1968)
- The Unholy City (1968)
- The Universe Maker (1967)
- The Universe Maker (1967) with Gaughan
- The Wagered World (1969)
- The Wanderer (1969)
- The Warlock in Spite of Himself (1969)
- The Weapon from Beyond (1967)
- The Weapon Makers (1966)
- The Weirdstone of Brisingamen (1966)
- The Whole Man (1969)
- The Witch World Novels of Andre Norton (1977)
- The Wizard of Starship Poseidon (1963)
- The Works of M. P. Shiel (1948) with Salvador Dali
- The World Asunder (1976)
- The World Between and Other Stories (1965)
- The Worlds of Poul Anderson (1978)
- The Worlds of Robert A. Heinlein (1966)
- The Wrath of Fu Manchu (1976)
- The Wrecks of Time (1967)
- The X Factor (1967)
- The Youth Monopoly (1968)
- The Zap Gun (1967)
- Thorns (1969)
- Three Against the Witch World (1965)
- Three Against the Witch World (1977)
- Three Worlds of Futurity (1964)
- Three Worlds to Conquer (1964)
- Three Worlds to Conquer (1968)
- Tid och evighet [Swedish] (1973)
- Time and Again (1963)
- Time to Come (1969)
- Time to Live (1966)
- Time Tunnel (1964)
- Times Without Number (1962)
- Tomorrow and Tomorrow (1965)
- Tramontane (1967)
- Triplanetary (1965)
- Triplanetary (1970)
- Triple Detente (1974)
- Trouble with Lichen (1969)
- Turning On (1967)
- Turning On (1967) with Gaughan
- Two Hundred Million A. D. (1964)
- Two Worlds (1978)
-
Uppdrag i världsrymden?Uppdrag i vaerldsrymden[Swedish] (1974)
- Vansinnesdrogen [Swedish] (1974)
- Venus Equilateral (1967)
- Voodoo Planet and Star Hunter (1978)
-
Världsslukaren?Varldsslukaren[Swedish] (1975)
- Waldo & Magic, Inc. (1963)
- Waldo and Magic, Inc. (1966)
- Waldo and Magic, Inc. (1968)
- Warlock of the Witch World (1967)
- Warlock of the Witch World (1977)
- Web of the Witch World (1964)
- Web of the Witch World (1977)
- Wedloop met een Nova [Dutch] (1966)
- Weird Tales, Spring 1999 (1999)
- Werelden onder de horizon [Dutch] (1970)
- What Strange Stars and Skies (1965)
- When the Earth Died (1972)
- When the Star Kings Die (1967)
- Witch World (1963)
- Witch World (1977)
- World of the Sleeper (1967)
- World of the Starwolves (1968)
- World's Best Science Fiction (1971)
- World's Best Science Fiction First Series (1970)
- World's Best Science Fiction: 1967 (1967)
- World's Best Science Fiction: 1968 (1968)
- World's Best Science Fiction: Fourth Series (1970)
- World's Best Science Fiction: Second Series (1970)
- World's Best Science Fiction: Third Series (1970)
- Worlds of Fantasy, #1, 1968 (1968)
- Worlds of Fantasy, #2, 1970 (1970)
- Worlds of Fantasy, Spring 1971 (1971)
- Worlds of Fantasy, Winter 1970 (1970)
- Worlds of If, February 1970 (1970)
- Worlds of If, February 1970 (1970) with Gaughan
- Worlds of If, January 1970 (1970)
- Worlds of If, January 1970 (1970) with Gaughan
- Worlds of If, January-February 1971 (1971)
- Worlds of If, January-February 1971 (1971) with Gaughan
- Worlds of If, January-February 1972 (1972)
- Worlds of If, January-February 1972 (1972) with Gaughan
- Worlds of If, July-August 1972 (1972)
- Worlds of If, July-August 1972 (1972) with Gaughan
- Worlds of If, July-August 1972 [UK] (1972) with Gaughan
- Worlds of If, March-April 1972 (1972)
- Worlds of If, May-June 1972 (1972)
- Worlds of If, May-June 1972 (1972) with Gaughan
- Worlds of If, May-June 1974 (1974)
- Worlds of If, May-June 1974 [UK] (1974)
- Worlds of Tomorrow, Spring 1971 (1971)
- Worlds of Tomorrow, Spring 1971 (1971) with Gaughan
- Worlds of Tomorrow, Summer 1970 (1970)
- Worlds of Tomorrow, Summer 1970 (1970) with Gaughan
- Worlds of Tomorrow, Winter 1970 (1970)
- Wraiths of Time (1976)
- Year of the Unicorn (1965)
- Year of the Unicorn (1977)
- Yurth Burden (1978)
- Zwerfeilanden in het Groen [Dutch] (1968)
-
Åter till jorden?Ater till jorden[Swedish] (1975)
-
Ödets sten?Odets sten[Swedish] (1974)
- "From Cariboo to Carry Nation" (1965)
- "She" for Hannes (August 1963) (1965)
- "Stepson to Creation" (1977)
- "World of the Starwolves" (1969)
- ... font quatre [French] (1971)
- 220 - Advanced Field Exploration (1972)
- 26 Days on Earth (1972)
- 3 Vignettes (1977)
- 3 Vignettes [2] (1977)
- 3 Vignettes [3] (1977)
- 3 Vignettes [4] (1977)
- 3 Vignettes [5] (1977)
- 3 Vignettes [6] (1977)
- 6 x H (2020)
- A !Tangled Web (1981)
- A !Tangled Web [German] (1982)
- A !Tangled Web [2] [German] (1982)
- A Better Rat-Trap (1973)
- A Bowl Bigger Than Earth (1967)
- A Bowl Bigger Than Earth (1967) with Gaughan
- A Brand New World (1964)
- A Congregation of Vapors (1971)
- A Darkness in My Soul (frontispiece) (1972)
- A Fremde in Need (1982)
- A Fremde in Need [2] (1982)
- A Friendly Game of Crola (1985)
- A Full Member of the Club (1974)
- A Game of Biochess (1970)
- A Kind of Murder (1974)
- A Knight of Ghosts and Shadows (Part 2 of 2) (1974)
- A Penny's Worth (1976)
- A Penny's Worth [2] (1976)
- A Planet of Your Own (1966)
- A Prince of the Captivity (1971)
- A Promising Planet (frontispiece) (1970)
- A Quiet, Rainy Afternoon (1979)
- A Rain of Pebbles (1977)
- A Recursion in Metastories (1966)
- A Recursion in Metastories (1966) with Gaughan
- A Rose for Ecclesiastes (1967)
- A Sailor's Delight (1980)
- A Scatter of Stardust (frontispiece) (1972)
- A Ship Will Come (1970)
- A Specter Is Haunting Texas (frontispiece) (1978)
- A Specter is Haunting Texas (Part 1 of 3) (1968)
- A Specter is Haunting Texas (Part 1 of 3) [2] (1968)
- A Specter is Haunting Texas (Part 1 of 3) [3] (1968)
- A Specter is Haunting Texas (Part 1 of 3) [4] (1968)
- A Specter is Haunting Texas (Part 1 of 3) [5] (1968)
- A Specter is Haunting Texas (Part 1 of 3) [6] (1968)
- A Specter is Haunting Texas (Part 1 of 3) [7] (1968)
- A Specter is Haunting Texas (Part 2 of 3) (1968)
- A Specter is Haunting Texas (Part 2 of 3) (1968) with Gaughan
- A Specter is Haunting Texas (Part 2 of 3) [2] (1968)
- A Specter is Haunting Texas (Part 2 of 3) [2] (1968) with Gaughan
- A Specter is Haunting Texas (Part 2 of 3) [3] (1968)
- A Specter is Haunting Texas (Part 2 of 3) [3] (1968) with Gaughan
- A Specter is Haunting Texas (Part 2 of 3) [4] (1968)
- A Specter is Haunting Texas (Part 2 of 3) [4] (1968) with Gaughan
- A Specter is Haunting Texas (Part 2 of 3) [5] (1968)
- A Specter is Haunting Texas (Part 2 of 3) [5] (1968) with Gaughan
- A Specter is Haunting Texas (Part 2 of 3) [6] (1968)
- A Specter is Haunting Texas (Part 2 of 3) [6] (1968) with Gaughan
- A Specter is Haunting Texas (Part 2 of 3) [7] (1968)
- A Specter is Haunting Texas (Part 2 of 3) [7] (1968) with Gaughan
- A Specter is Haunting Texas (Part 3 of 3) (1968)
- A Specter is Haunting Texas (Part 3 of 3) (1968) with Gaughan
- A Specter is Haunting Texas (Part 3 of 3) [2] (1968)
- A Specter is Haunting Texas (Part 3 of 3) [2] (1968) with Gaughan
- A Specter is Haunting Texas (Part 3 of 3) [3] (1968)
- A Specter is Haunting Texas (Part 3 of 3) [3] (1968) with Gaughan
- A Specter is Haunting Texas (Part 3 of 3) [4] (1968)
- A Specter is Haunting Texas (Part 3 of 3) [4] (1968) with Gaughan
- A Specter is Haunting Texas (Part 3 of 3) [5] (1968)
- A Specter is Haunting Texas (Part 3 of 3) [5] (1968) with Gaughan
- A Specter is Haunting Texas (Part 3 of 3) [6] (1968)
- A Specter is Haunting Texas (Part 3 of 3) [6] (1968) with Gaughan
- A Style in Treason (1970)
- A Style in Treason [2] (1970)
- A Suppliant in Space (1973)
- A Talent for the Invisible (frontispiece) (1973)
- A Time of Changes (Part 1 of 3) (1971)
- A Time of Changes (Part 1 of 3) [2] (1971)
- A Time of Changes (Part 3 of 3) (1971)
- A Touch of Infinity (frontispiece) (1974)
- A Touch of Strange (frontispiece) (1978)
- A Trace of Dreams (frontispiece) (1972)
- A Twice-Toed Tale (1979)
- A Visit to Cleveland General (1968)
- A Visit to Cleveland General (1968) with Gaughan
- A Visit to Cleveland General [2] (1968)
- A Visit to Cleveland General [2] (1968) with Gaughan
- A Voyage to Dari (frontispiece) (1974)
- A Woman and Her Friend (1973)
- A World Aflame (frontispiece) (1974)
- A-W-F illimitato [Italian] (1962) with Gaughan
- A-W-F Unlimited (1961)
- A-W-F Unlimited (1961) with Gaughan
- A-W-F Unlimited [2] (1961)
- A-W-F Unlimited [2] (1961) with Gaughan
-
Adam Link — Robot (1965)?Adam Link - Robot (1965)(2016) with uncredited
- After the End and Before the Beginning (1971)
- Against Infinity (Part 1 of 2) (1983)
- Against Infinity (Part 1 of 2) [2] (1983)
- Against Infinity (Part 1 of 2) [3] (1983)
- Against Infinity (Part 2 of 2) (1983)
- Ageism (1975)
- Agnes, Accent and Access (1973)
- Algol 20, May 1973 (1973)
- Alien Sea (1968)
- Aliens! (1980)
- Alisia's Gift (1986)
- All Brothers Are Men (1970)
- All But the Words (1971)
- All That Earthly Remains (1962)
- All That Earthly Remains (1962) with Gaughan
- All the Bridges Rusting (1973)
- All the People (1961)
- All the People (1961) with Gaughan
- All the Way Up, All the Way Down (1971)
- All Times Possible (frontispiece) (1974)
- Allison, Carmichael and Tattersall (1970)
- Allison, Carmichael and Tattersall [2] (1970)
- Allison, Carmichael and Tattersall [3] (1970)
- Almuric (1964)
- Almuric (cover) (2001)
- Alpha Yes, Terra No! (1965)
- Alternate Orbits (frontispiece) (1971)
- Amazing Science Fiction, March 1983 (1985)
- Amazing Story (1982)
- Amnesty (1977)
- An Abundance of Dragons (1981)
- An Eye for a What? (1957)
- An Eye for a What? (1957) with Gaughan
- An Eye for a What? [2] (1957)
- An Eye for a What? [2] (1957) with Gaughan
- An Eye for a What? [3] (1957)
- An Eye for a What? [3] (1957) with Gaughan
- An Honorable Death (1961)
- An Honorable Death (1961) with Gaughan
- An Honorable Death [2] (1961)
- An Honorable Death [2] (1961) with Gaughan
- An Honorable Death [3] (1961)
- An Honorable Death [3] (1961) with Gaughan
- Analog Science Fiction/Science Fact, December 1984 (2020) with uncredited
- Anarchaos (frontispiece) (1967)
- Ancient, My Enemy (frontispiece) (1976)
- And All the Earth a Grave (1963)
- And All the Earth a Grave (1963) with Gaughan
- And Baby Makes Three (1973)
- And No Birds Sing (1973)
- And Now They Wake (Part 1 of 3) (1969)
- And Now They Wake (Part 1 of 3) (1969) with Gaughan
- And Now They Wake (Part 1 of 3) [2] (1969)
- And Now They Wake (Part 1 of 3) [2] (1969) with Gaughan
- And Now They Wake (Part 1 of 3) [3] (1969)
- And Now They Wake (Part 1 of 3) [3] (1969) with Gaughan
- And Now They Wake (Part 2 of 3) (1969)
- And Now They Wake (Part 2 of 3) (1969) with Gaughan
- And Now They Wake (Part 2 of 3) [2] (1969)
- And Now They Wake (Part 2 of 3) [2] (1969) with Gaughan
- And Now They Wake (Part 2 of 3) [3] (1969)
- And Now They Wake (Part 2 of 3) [3] (1969) with Gaughan
- And Now They Wake (Part 2 of 3) [4] (1969)
- And Now They Wake (Part 2 of 3) [4] (1969) with Gaughan
- And Now They Wake (Part 3 of 3) (1969)
- And Now They Wake (Part 3 of 3) (1969) with Gaughan
- And Now They Wake (Part 3 of 3) [2] (1969)
- And Now They Wake (Part 3 of 3) [2] (1969) with Gaughan
- And Now They Wake (Part 3 of 3) [3] (1969)
- And Now They Wake (Part 3 of 3) [3] (1969) with Gaughan
- And So Say All of Us (1969)
- And So Say All of Us (1969) with Gaughan
- Android Avenger (1965)
- Answer Came There None (1974)
- Answering Service (1967)
- Answering Service (1967) with Gaughan
- Anthropol (1968)
- Appropriate Punishment (1969)
- Appropriate Punishment (1969) with Gaughan
- Arena of Antares (1974)
- Arnten of Ultima Thule (1971)
- Art Appreciation (1985)
- As Is (1968)
- As the Curtain Falls (frontispiece) (1974)
- At Bay with the Baycon (1969)
- At Bay with the Baycon (1969) with Gaughan
- At the End of the Orbit (1961)
- At the End of the Orbit (1961) with Gaughan
- Atlantida (1964)
- Atlantis (map) (1967)
- Aura of Immortality (1974)
- Author Plus (1981)
- Authorgraphs: An Interview with Harlan Ellison (1969)
- Authorgraphs: An Interview with Harlan Ellison (1969) with Gaughan
- Authorgraphs: An Interview with Jack Williamson (1969)
- Authorgraphs: An Interview with Jack Williamson (1969) with Gaughan
- Authorgraphs: An Interview with Lester del Rey (1969)
- Authorgraphs: An Interview with Lester del Rey (1969) with Gaughan
- Authorgraphs: An Interview with Robert Bloch (1969)
- Authorgraphs: An Interview with Robert Bloch (1969) with Gaughan
- Authorgraphs: An Interview with Roger Zelazny (1969)
- Authorgraphs: An Interview with Roger Zelazny (1969) with Gaughan
- Autumntime (1971)
- Avenger of Antares (1975)
- Babel-17 (title page) (1966)
- Ballots and Bandits (1970)
- Ballots and Bandits (1970) with Gaughan
- Basic Genesis (1981)
- BayCon: 26th World SF Convention (cover) (1968)
- Beanstalk (frontispiece) (1973)
- Beauty (1949) with Jon Arfstrom
- Beaver Tears (1976)
- Beaver Tears [2] (1976)
- Beaver Tears [3] (1976)
- Beer Mutterings (Science Fiction Review, April 1970) (1970)
- Beer Mutterings (Science Fiction Review, April 1970) (1970)
- Behind the Walls of Terra (title page) (1970)
- Behold the Stars (1965)
- Beneath the Shattered Moons (frontispiece) (1977)
- Berserker's Planet (frontispiece) (1974)
- Berserker's Planet (Part 1 of 2) (1974)
- Beyond the Galactic Lens (frontispiece) (1975)
- Beyond the Stars (title page) (1963)
- Big Baby (1962)
- Big Baby (1962) with Gaughan
- Big Baby [2] (1962)
- Big Baby [2] (1962) with Gaughan
- Big Baby [3] (1962)
- Big Baby [3] (1962) with Gaughan
- Bircher (1966)
- Bircher (1966)
- Bircher (1966) with Gaughan
- Bircher (1966) with Gaughan
- Birds Fly South in Winter (1971)
- Bitterblooms (1979)
- Black As the Pit, from Pole to Pole (1979)
- Black Fly (1974)
- Bladesman of Antares (1975)
- Blaze of Glory (1957)
- Blaze of Glory (1957) with Gaughan
- Bleeding Turnips (1982)
- Blessings Well Mixed (1981)
- Blue Fire (1965)
- Blue Fire (1965) with Gaughan
- Blue Fire [2] (1965)
- Blue Fire [2] (1965) with Gaughan
- Blue Fire [3] (1965)
- Blue Fire [3] (1965) with Gaughan
- Bogeyman (1965)
- Bogeyman [2] (1965)
- Bogeyman [3] (1965)
- Bogeyman [4] (1965)
- Bogeymen (1965) with Gaughan
- Bogeymen [2] (1965) with Gaughan
- Bogeymen [3] (1965) with Gaughan
- Bogeymen [4] (1965) with Gaughan
- Book Reviews (Science Fiction Review, April 1970) (1970)
- Boomer Flats (1971)
- Born Under Mars (1967)
- Brain of the Galaxy (1965)
- Brains Isn't Everything (1976)
- Bramble Bush (1968)
- Bramble Bush [2] (1968)
- Break a Leg (1957)
- Break a Leg (1957) with Gaughan
- Break a Leg [2] (1957)
- Break a Leg [2] (1957) with Gaughan
- Break a Leg [3] (1957)
- Break a Leg [3] (1957) with Gaughan
- Breaking Point (frontispiece) (1973)
- Bright New Universe (frontispiece) (1967)
- Brood World Barbarian (1969)
- Brood World Barbarian (1969) with Gaughan
- Brother Berserker (1967)
- Brother Berserker (1967) with Gaughan
- Brother to Demons (1978)
- Brother to Gods (1978)
- Brother to Gods [2] (1978)
- Bubbles When They Burst (1971)
- Bug Jack Barron (cover) (1999)
- Building Block (1975)
- Bulge (1968)
- Bulge (1968) with Gaughan
- But Wait! There's More! (1984)
- Butterfly 9 (1957)
- Butterfly 9 (1957) with Gaughan
- Butterfly 9 [2] (1957)
- Butterfly 9 [2] (1957) with Gaughan
- Butterfly 9 [3] (1957)
- Butterfly 9 [3] (1957) with Gaughan
- By Any Other Name (1976)
- By Any Other Name [2] (1976)
- By Any Other Name [3] (1976)
- By the Falls (1970)
- By the Seashore (1973)
- C.O.D. Mars (frontispiece) (1968)
- Caesar Clark (1977)
- Cage of Brass (1968)
- Calendars (1974)
- Call Him Moses (1978)
- Call Him Moses [2] (1978)
- Call Him Moses [3] (1978)
- Call Me Proteus (1973)
- Can These Bones Live? (1979)
- Can You Feel Anything When I Do This? (frontispiece) (1974)
- Cantor's War (1974)
- Captives of the Flame (1963)
- Caravan (1972)
- Carruthers' Last Stand (1978)
- Cartoon: "ASBOLUTELY NORMAL Stories" (1954)
- Cartoon: "Don't tell me your troubles! I have 187 sinus cavities!" (1969)
- Cartoon: "If you ever see a princess with a wart on her lip tell her Toady sent you" (1969)
- Cartoon: Whatever you do--don't ever drink anything Elliot Shorter mixes up! I used to be Banks Mebance!" (1969)
- Catalyst Run (1974)
- Catalyst Run [2] (1974)
- Catalyst Run [3] (1974)
- Catalyst Run [4] (1974)
- Catch a Falling Star (frontispiece) (1968)
- Catseye (frontispiece) (unknown)
- Cauchemar... Cauchemar... [French] (1968)
- Cautionary Tales (1978)
- Center-Spread Girl (1968)
- Ces féroces Qornts [French] (1965)
- Changelings (1975)
- Changing Woman (1972)
- Chiamate Butterfly 999 [Italian] (1960) with Gaughan
- Child's Play (1970)
- Cinderella Story (1961)
- Cinderella Story (1961) with Gaughan
- City of a Thousand Suns (1965)
- City of a Thousand Suns (title page) (1965)
- City of Illusions (frontispiece) (1967)
- City of Yesterday (1967)
- City of Yesterday (1967) with Gaughan
- Clans of the Alphane Moon (1964)
- Clans of the Alphane Moon (frontispiece) (1972)
- Clash of Star-Kings (1966)
- Clear as Mud (1967)
- Clear as Mud (1967) with Gaughan
- Cleaving (1984)
- Cloak of Anarchy (1972)
- Cloak of Anarchy [2] (1972)
- Code Duello (1968)
- Cold Friend (1973)
- Collector's Item (1981)
- Collision Course (frontispiece) (1973)
- Common Denominator (1972)
- Common Denominator [2] (1972)
- Computer War (frontispiece) (1967)
- Conan and the Cenotaph (1968)
- Conscience Interplanetary (frontispiece) (1974)
- Consort (1975)
- Continuous Performance (1974)
- Contraband from Otherspace (title page) (1967)
- Cool Affection (1974)
- Cosmos Science Fiction and Fantasy Magazine, September 1977 (2007)
- Cosmos Science Fiction and Fantasy, September 1977 (cover) (1999)
- Coup de Grace (1966)
- Coursing (1982)
- Cousins (1980)
- Cox's Quality (1974)
- Cradle of the Sun (frontispiece) (1969)
- Crashing Suns (1965)
- Crashing Suns (Ace Books, 1965, interior art) (1965)
- Crazy Annaoj (1968)
- Crazy Annaoj (1968) with Gaughan
- Created Equal (1974)
- Credo: Willy Ley: The First Citizen of the Moon (1969)
- Crisis on Cheiron (frontispiece) (1967)
- Critical Path (1983)
- Critical Threshold (frontispiece) (1977)
- Crown of Stars (1966)
- Crown of Stars (1966) with Gaughan
- Crown of Stars [2] (1966)
- Crown of Stars [2] (1966) with Gaughan
- Crown of Stars [3] (1966)
- Crown of Stars [3] (1966) with Gaughan
- Crown of Stars [4] (1966)
- Crown of Stars [4] (1966) with Gaughan
- Cry Wolf! (1974)
- Cycle of Nemesis (title page) (1967)
- Cycles (1985)
- Dam Nuisance (1966)
- Dam Nuisance (1966) with Gaughan
- Damnation Alley (1967)
- Damnation Alley (1967) with Gaughan
- Damnation Alley (cover) (2021)
- Damnation Alley [2] (1967)
- Damnation Alley [2] (1967) with Gaughan
- Damnation Alley [3] (1967)
- Damnation Alley [3] (1967) with Gaughan
- Damnation Alley [4] (1967)
- Damnation Alley [4] (1967) with Gaughan
- Danger from Vega (1966)
- Dangereux d'être un noyau ! [French] (1957)
- Dangereux d'être un noyau ! [2] [French] (1957)
- Dangereux d'être un noyau ! [3] [French] (1957)
- Dark Inferno (Part 1 of 2) (1972)
- Dark Inferno (Part 2 of 2) (1972)
- Dark of the Woods (frontispiece) (1970)
- Dark, Dark, the Dead Star (1970)
- Darkness (1968)
- Darkover Landfall (frontispiece) (1972)
- Dawn (Part 1 of 4) (1981)
- Dawn (Part 2 of 4) (1981)
- Dawn (Part 3 of 4) (1981)
- Dawn (Part 4 of 4) (1981)
- Dea Ex Machina (1975)
- Deadly Moon (1964)
- Death and Birth of the Angakok (1965)
- Death and Birth of the Angakok (1965) with Gaughan
- Death and Birth of the Angakok [2] (1965)
- Death and Birth of the Angakok [2] (1965) with Gaughan
- Death and Birth of the Angakok [3] (1965)
- Death and Birth of the Angakok [3] (1965) with Gaughan
- Death and Designation Among the Asadi (1973)
- Death Is a Dream (frontispiece) (1967)
- Death's Master (frontispiece) (1979)
- Deathsong (1974)
- Deep Joat (1981)
- Defender of Death (1971)
- Delivery Tube (1966)
- Delivery Tube (1966) with Gaughan
- Delivery Tube [2] (1966)
- Delivery Tube [2] (1966) with Gaughan
- Demons' World (1964)
- Deny the Slake (1957)
- Deny the Slake (1957) with Gaughan
- Der Heisse Kosmonaut (1968)
- Derai (frontispiece) (1968)
- Destination: Saturn (1968)
- Detour (1980)
- Devil You Don't Know (1978)
- Diadem from the Stars (frontispiece) (1977)
- Dingbat (1973)
- Discover a Latent Moses (1970)
- Discover a Latent Moses [2] (1970)
- Discover a Latent Moses [2] (1970) with Gaughan
- Dog Day Evening (1977)
- Don't Bite the Sun (frontispiece) (1976)
- Doom of the Green Planet (frontispiece) (1968)
- Doomship (1973)
- Doppelgangers (1966)
- Dorsai! (frontispiece) (1976)
- Down in the Black Gang (1969)
- Down in the Black Gang (1969) with Gaughan
- Downbelow Station (frontispiece) (1981)
- Downward to the Earth (Part 2 of 4) (1969)
- Downward to the Earth (Part 2 of 4) [2] (1969)
- Downward to the Earth (Part 3 of 4) (1970)
- Downward to the Earth (Part 3 of 4) [2] (1970)
- Downward to the Earth (Part 4 of 4) (1970)
- Dr Bloodmoney (1977)
- Dr. Bloodmoney or How We Got Along After the Bomb (1965)
- Dr. Kometevsky's Day (1964)
- Dr. Morris Goldpepper Returns (1962)
- Dr. Morris Goldpepper Returns (1962) with Gaughan
- Dread Companion (frontispiece) (1972)
- Dream World (2016) with Gaughan
- Dreamworld (1962)
- Dreamworld (1962) with Gaughan
- Driftglass (1967)
- Driftglass (1967) with Gaughan
- Drums of Tombalku (map) (1967)
- Dry Run (1970)
- Dry Run (1970) with Gaughan
- Duckworth and the Sound Probe (1971)
- Dunderbird (1969)
- Dunderbird (1969) with Gaughan
- Dunderbird [2] (1969)
- Dunderbird [2] (1969) with Gaughan
- Dunderbird [3] (1969)
- Dunderbird [3] (1969) with Gaughan
- Dune Messiah (Part 1 of 5) (1969)
- Dune Messiah (Part 1 of 5) (1969) with Gaughan
- Dune Messiah (Part 1 of 5) [2] (1969)
- Dune Messiah (Part 1 of 5) [2] (1969) with Gaughan
- Dune Messiah (Part 1 of 5) [3] (1969)
- Dune Messiah (Part 1 of 5) [3] (1969) with Gaughan
- Dying Inside (Part 1 of 2) (1972)
- Dying Inside (Part 2 of 2) (1972)
- Earth Eighteen (1964)
- Earth Eighteen [10] (1964)
- Earth Eighteen [11] (1964)
- Earth Eighteen [12] (1964)
- Earth Eighteen [2] (1964)
- Earth Eighteen [3] (1964)
- Earth Eighteen [4] (1964)
- Earth Eighteen [5] (1964)
- Earth Eighteen [6] (1964)
- Earth Eighteen [7] (1964)
- Earth Eighteen [8] (1964)
- Earth Eighteen [9] (1964)
- Earth Enslaved (frontispiece) (1974)
- Earth Factor X (frontispiece) (1976)
- Earth's Last Citadel (1964)
- Earth, Air, Fire and Water (Part 1 of 3) (1974)
- Earth, Air, Fire and Water (Part 1 of 3) [2] (1974)
- Earth, Air, Fire and Water (Part 1 of 3) [3] (1974)
- Earth, Air, Fire and Water (Part 1 of 3) [4] (1974)
- Earth, Air, Fire and Water (Part 2 of 3) (1974)
- Earth, Air, Fire and Water (Part 2 of 3) [2] (1974)
- Earth, Air, Fire and Water (Part 2 of 3) [3] (1974)
- Earth, Air, Fire and Water (Part 3 of 3) (1974)
- Earth, Air, Fire and Water (Part 3 of 3) [2] (1974)
- Earth, Air, Fire and Water (Part 3 of 3) [3] (1974)
- Earthchild (frontispiece) (1977)
- Earthrim (frontispiece) (1969)
- Ecdysiac (1967)
- Echec à la colonie [French] (1966)
- Edge of Night (Part 1 of 2) (1966)
- Edge of Night (Part 1 of 2) (1966) with Gaughan
- Edge of Night (Part 2 of 2) (1966)
- Edge of Night (Part 2 of 2) (1966) with Gaughan
- Eight Ball Blues (1980)
- Elemental (1984)
- Elemental [2] (1984)
- Elephant with Wooden Leg (1975)
- Elmo's Box (1975)
- Ember Eyes (1974)
- Embryonic Dharma (1976)
- Embryonic Dharma [2] (1976)
- Empire of Two Worlds (frontispiece) (1972)
- Empire Star (1966)
- Empress of Outer Space (1965)
- Endfray of the Ofay (1969)
- Endfray of the Ofay (1969) with Gaughan
- Endless Shadow (1964)
- Enemy of the Silkies (1967)
- Enemy of the Silkies (1967) with Gaughan
- Enemy of the Silkies [2] (1967)
- Enemy of the Silkies [2] (1967) with Gaughan
- Enemy of the Silkies [3] (1967)
- Enemy of the Silkies [3] (1967) with Gaughan
- Enemy Within the Skull (frontispiece) (1974)
- Enigma from Tantalus [2] (1965)
- Entry to Elsewhen (1972)
- Envoy to the Dog Star (1967)
- Equals Four (1970)
- Ersalz's Rule (1969)
- Esidarap ot Pirt Dnuor (1960)
- Esidarap ot Pirt Dnuor (1960) with Gaughan
- Esmeralda (1972)
- Exiled From Earth (Part 1 of 2) (1971)
- Exorcycle (1982)
- Eye of the Storm (1974)
- Eyes I Dare Not Meet in Dreams (1975)
- F.O.D. (1972)
- F.O.D. [2] (1972)
- Fabriquez dix mille hommes ! [French] (1957)
- Factsheet Six (1968)
- Factsheet Six [2] (1968)
- Falcons of Narabedla (1964)
- Fallen Spaceman (1971)
- Family Program (1974)
- Fantasy Advertiser, November 1950 (back cover) (1950)
- Fantasy and Science Fiction by Jack Vance (1978)
- Fantasy and Science Fiction by Jack Vance (The Dragon Masters) (1977)
- Farnham's Freehold (Part 1 of 3) (1964)
- Farnham's Freehold (Part 1 of 3) (1964) with Gaughan
- Farnham's Freehold (Part 2 of 3) (1964)
- Farnham's Freehold (Part 2 of 3) (1964) with Gaughan
- Farnham's Freehold (Part 3 of 3) (1964)
- Farnham's Freehold (Part 3 of 3) (1964) with Gaughan
- Field of Vision (1973)
- Five Against Arlane (1967)
- Fix (1973)
- Flamboyante gloire [French] (1957)
- Flatlander (1967)
- Flatlander (1967) with Gaughan
- Fliers of Antares (1975)
- Flow My Tears, the Policeman Said (frontispiece) (1975)
- Flowers in His Eyes (1968)
- Flux (frontispiece) (1974)
- Force Over Distance (1973)
- Force Over Distance [2] (1973)
- Found! (1980)
- Four Visions (1978)
- Free Enterprise (1984)
- Friends Come in Boxes (frontispiece) (1973)
- From This Day Forward (frontispiece) (1973)
- Fugitive of the Stars (1965)
- Full Fathom Five My Father Lies (1981)
- Fungo the Unrighteous (1986)
- Funny Place (1970)
- Future Forbidden (1973)
- Galactic Consumer Report No. 3: A Survey of the Membership (1967)
- Galactic Consumer Report No. 3: A Survey of the Membership (1967) with Gaughan
- Galactic Derelict (1972)
- Galaxy Bookshelf (Galaxy Magazine, February 1968) (1968)
- Galaxy Bookshelf (Galaxy Magazine, February 1968) (1968) with Gaughan
- Galaxy Magazine, August 1962 (cover) (2019)
- Galaxy Magazine, December 1958 (cover) (1958)
- Galaxy Magazine, December 1969 (cover) (2011) with Phoebe Gaughan
- Galaxy of the Lost (frontispiece) (1973)
- Galaxy Science Fiction, December 1957 (2015)
- Galaxy, April 1974 (cover) (1974)
- Gallagher's Glacier (frontispiece) (1970)
- Gambler (1972)
- Gambler's World (1961)
- Gambler's World (1961) with Gaughan
- Gambler's World (reprint) (2007)
- Gambler's World (reprint) (2007) with Gaughan
- Garan the Eternal (frontispiece) (1973)
- Gateway III - Heechee Rendezvous (Part 3 of 3) (1984)
- Gateway III - Where the Heechee Feared to Go (Part 2 of 3) (1984)
-
Gateway III — Beyond the Gate (part 1 of 3)?Gateway III - Beyond the Gate (part 1 of 3)(1984)
- Gaughan on Robinson (1978)
- Gehenna (1971)
- Genii (1972)
- Get the Lead Out (1976)
- Getting Together (1972)
- Ghosts (1973)
- Giant Killer (1965)
- Giant Killer (1965) with Gaughan
- Girl Saturday (1973)
- Give Warning to the World (frontispiece) (1974)
- Glossolalia (1982)
- Godel Numbers (1969)
- Godel Numbers (1969) with Gaughan
- Godel Numbers [2] (1969)
- Godel Numbers [2] (1969) with Gaughan
- Godel Numbers [3] (1969) with Gaughan
- Gods on Olympus (1972)
- Going Home (1954)
- Going Home (1954) with John B. Gaughan
- Golden Quicksand (1969)
- Golden Quicksand (1969) with Gaughan
- Golden Quicksand [10] (1969)
- Golden Quicksand [10] (1969) with Gaughan
- Golden Quicksand [11] (1969)
- Golden Quicksand [11] (1969) with Gaughan
- Golden Quicksand [12] (1969)
- Golden Quicksand [12] (1969) with Gaughan
- Golden Quicksand [2] (1969)
- Golden Quicksand [2] (1969) with Gaughan
- Golden Quicksand [3] (1969)
- Golden Quicksand [3] (1969) with Gaughan
- Golden Quicksand [4] (1969)
- Golden Quicksand [4] (1969) with Gaughan
- Golden Quicksand [5] (1969)
- Golden Quicksand [5] (1969) with Gaughan
- Golden Quicksand [6] (1969)
- Golden Quicksand [6] (1969) with Gaughan
- Golden Quicksand [7] (1969)
- Golden Quicksand [7] (1969) with Gaughan
- Golden Quicksand [8] (1969)
- Golden Quicksand [8] (1969) with Gaughan
- Golden Quicksand [9] (1969)
- Golden Quicksand [9] (1969) with Gaughan
- Golem 100 (1980)
- Goodbye Amanda Jean (1970)
- Granfalloon #1 (1968)
- Greyspun's Gift (1970)
- Groovyland [French] (1969)
- Groovyland (1969) with Gaughan
- Guardians at the Gate of Morpheus (1976)
- Gullikksen and the 500-Pound Hallucination (1984)
- Gut in Peril (1974)
- Guzman's Gardener (1978)
- Gypsy (1950)
- Gypsy (1950) with Gaughan
- Gypsy [2] (1950)
- Gypsy [2] (1950) with Gaughan
- Génies en vrac [French] (1966)
- H. G. Wells: Critic of Progress (Part 3 of 5) (1968)
- H. G. Wells: Critic of Progress (Part 3 of 5) [2] (1968)
- H. G. Wells: Critic of Progress (Part 3 of 5) [3] (1968)
- H. G. Wells: Critic of Progress (Part 3 of 5) [4] (1968)
- H. G. Wells: Critic of Progress (Part 3 of 5) [5] (1968)
- H. G. Wells: Critic of Progress (Part 3 of 5) [6] (1968)
- H. P. Lovecrafts Traumland (map) [German] (1980)
- Handicap (1967)
- Handicap (1967) with Gaughan
- Handicap [2] (1967)
- Handicap [2] (1967) with Gaughan
- Handicap [3] (1967)
- Handicap [3] (1967) with Gaughan
- Handicap [4] (1967)
- Handicap [4] (1967) with Gaughan
- Hard to Be a God (frontispiece) (1974)
- Have You Heard the One ... ? (1980)
- He That Moves (1968)
- He That Moves (1968) with Gaughan
- Heavenly Host (1966)
- Heavenly Host (1966) with Gaughan
- Heavenly Host [2] (1966)
- Heavenly Host [2] (1966) with Gaughan
- Heavenly Host [3] (1966)
- Heavenly Host [3] (1966) with Gaughan
- Heavenly Host [4] (1966)
- Heavenly Host [4] (1966) with Gaughan
- Helium (Part 1 of 3) (1975)
- Helium (Part 2 of 3) (1975)
- Helium (Part 2 of 3) [2] (1975)
- Helium (Part 3 of 3) (1975)
- Helium (Part 3 of 3) [2] (1975)
- Helium (Part 3 of 3) [3] (1975)
- Heller's Leap (frontispiece) (1979)
- Her Fine and Private Planet (1973)
- Here Abide Monsters (frontispiece) (1974)
- Heroes Die But Once (1969)
- Heroic Symphony (1968)
- High G (1965)
- High G (1965) with Gaughan
- High G [2] (1965)
- High G [2] (1965) with Gaughan
- High Sorcery (1970)
- High Weir (1968)
- High Weir (1968) with Gaughan
- Hindsight (1984)
- Hindsight [2] (1984)
- Hired Man (1970)
- Histoport 3939 (1970)
- Histoport 3939 [2] (1970)
- Home from the Shore (1963)
- Home from the Shore (1963) with Gaughan
- Home from the Shore [2] (1963)
- Home from the Shore [2] (1963) with Gaughan
- Homunculus (1967)
- Hostages of Zark (1984)
- Hour of the Horde (frontispiece) (1978)
- House Divided (1974)
- How to Blow Up an Asteroid (1973)
- How to Move the Earth (1976)
- However (1968)
- Humanoïde [French] (1970)
- Humanoïde [2] [French] (1970)
- Humanoïde [3] [French] (1970)
- Humans, Go Home! (1969)
- Humans, Go Home! [2] (1969)
- Humans, Go Home! [3] (1969)
- Humans, Go Home! [4] (1969)
- Humans, Go Home! [5] (1969)
- Humans, Go Home! [6] (1969)
- Hunters of Gor (1974)
- Hurdle (1972)
- I Am a Nucleus (1957)
- I Am a Nucleus (1957) with Gaughan
- I Am a Nucleus [2] (1957)
- I Am a Nucleus [2] (1957) with Gaughan
- I Am a Nucleus [3] (1957)
- I Am a Nucleus [3] (1957) with Gaughan
- I Lost My Love to the Space Shuttle Columbia (1983)
- I O U (1961)
- I O U (1961) with Gaughan
- Ice Crown (frontispiece) (1971)
- Iduna's Universe (frontispiece) (1979)
- If a Flower Could Eclipse (1970)
- If Continents Can Wander, Why Not Planets (1981)
- If Ever I Should Leave You (1974)
- If You Can Fill the Unforgiving Minute (1980)
- If You Can Fill the Unforgiving Minute [2] (1980)
- If You Can Fill the Unforgiving Minute [3] (1980)
- Il piccolo gigante [Italian] (1963) with Gaughan
- Illusions (1979)
- Illusions [2] (1979)
- Illusions [3] (1982)
- In 2112 (1968)
- In Adam's Fall (1979)
- In Alien Flesh (1980)
- In einer Welt dazwischen [German] (1988)
- In einer Welt dazwischen [2] [German] (1988)
- In einer Welt dazwischen [3] [German] (1988)
- In Memoriam (1968)
- In the Cellar (1979)
- In the Hall of the Martian Kings (1979)
- In the Islands (1983)
- In the Ocean of Night (1972)
- In the Temple of Mars (1966)
- In the Temple of Mars (1966) with Gaughan
- Inadvisable Adversaries (1984)
- Inaugural (1976)
- Inaugural [2] (1976)
- Incident on Ath (frontispiece) (1978)
- Infidel of Five Temples (1974)
- Inheritance (Part 1 of 2) (1973)
- Into the Alternate Universe (1964)
- Invader On My Back (frontispiece) (1968)
- Inverted World (Part 1 of 4) (1973)
- Inverted World (Part 2 of 4) (1974)
- Inverted World (Part 3 of 4) (1974)
- Inverted World (Part 4 of 4) (1974)
- Ipomoea (frontispiece) (1969)
- Is Anyone There? (title page) (1968)
- Is the World in Curious Shape? (1980)
- Islands of Space (1966)
- J. Passepartout (1973)
- Jack Gaughan (1979)
- Jack Gaughan (1985)
- Jan of the Jungle (1966)
- Jana [French] (1971)
- Je m'appelais Croc-Blanc [2] [French] (1967)
- Je m'appelais Croc-Blanc [4] [French] (1967)
- Je m'appelais Croc-Blanc [5] [French] (1967)
- Je m'appelais Croc-Blanc [6] [French] (1967)
- Je m'appelais Croc-Blanc [7] [French] (1967)
- Jewel of Jarhen (frontispiece) (1974)
- Jill The Giant-Killer (1975)
- Jill The Giant-Killer [2] (1975)
- Jill The Giant-Killer [3] (1975)
- John W. Campbell (1971)
- Jondelle (frontispiece) (1973)
- Jorslem [French] (1969)
- Jorslem [2] [French] (1969)
- Jorslem [3] [French] (1969)
- Journey (1972)
- Judgment on Janus (1969)
- Julian (1978)
- Jungle Substitute (1964)
- Jungle Substitute [2] (1964)
- Jupiter One (1976)
- Jupiter One (1976) with uncredited
- Just a Matter of Time (1973)
- Kalin (title page) (1969)
- Kar Kaballa (frontispiece) (1969)
- Key Out of Time (1963)
- Kill Me with Kindness (1958)
- Kill Me with Kindness (1958) with Gaughan
- Kill the Dead (frontispiece) (1980)
- Kin to Kaspar Hauser (1977)
- Kin to Kaspar Hauser [2] (1977)
- Kindergarten (1970)
- Kindergarten [2] (1970)
- King of Argent (frontispiece) (1973)
- King of the World's Edge (1966)
- King of the World's Edge (cover) (2001)
- L'autre jungle [French] (1966)
- L'autre jungle [2] [French] (1966)
- L'essaim de pierres [French] (1966)
- L'essaim de pierres [2] [French] (1966)
- L'essaim de pierres [3] [French] (1966)
- L'essaim de pierres [4] [French] (1966)
- L'essaim de pierres [5] [French] (1966)
- L'essaim de pierres [6] [French] (1966)
- L'essaim de pierres [7] [French] (1966)
- L'homme du futur [French] (1957)
- L'homme du futur [2] [French] (1957)
- L'homme du futur [3] [French] (1957)
- L'ixe de l'I grec [French] (1958)
- L'odyssée de Lucifer [French] (1968)
- L'odyssée de Lucifer [2] [French] (1968)
- L'odyssée de Lucifer [3] [French] (1968)
- L'odyssée de Lucifer [4] [French] (1968)
- L'ordre règne [French] (1970)
- L'ordre règne [2] [French] (1970)
- L'étoile des profondeurs [French] (1969)
- L'étoile des profondeurs [2] [French] (1969)
- La Befana (1973) with Dan Adkins
- La chose dans la pierre [French] (1971)
- La chose dans la pierre [2] [French] (1971)
- La chose dans la pierre [3] [French] (1971)
- La cité dans la mer [French] (1967)
- La cité dans la mer [2] [French] (1967)
- La dame aux manches vertes [French] (1957)
- La dame aux manches vertes [2] [French] (1957)
- La dame aux manches vertes [3] [French] (1957)
- La dernière nuit du festival [French] (1971)
- La Grande Barre [French] (1970)
- La mia des miennes [French] (1970)
- La planète de l'oubli [French] (1967)
- La planète de l'oubli [2] [French] (1967)
- La planète de l'oubli [3] [French] (1967)
- La planète de l'oubli [4] [French] (1967)
- La région intermédiaire [French] (1971)
- La seezza della quasità [Italian] (1958) with Gaughan
- La sensation [French] (1968)
- La tour des damnés [French] (1968)
- Lamarchos (frontispiece) (1978)
- Land Beyond the Map (1965)
- Last Hunt (1979)
- Latent Image (1983)
- Le bébé géant [French] (1965)
- Le bébé géant [2] [French] (1965)
- Le choix d'un monde [French] (1957)
- Le château de lumière [French] (1968)
- Le château de lumière [2] [French] (1968)
- Le château de lumière [3] [French] (1968)
- Le dernier château [French] (1966)
- Le dernier château [2] [French] (1966)
- Le dernier château [3] [French] (1966)
- Le dernier château [4] [French] (1966)
- Le dernier château [5] [French] (1966)
- Le feu bleu [French] (1966)
- Le feu bleu [2] [French] (1966)
- Le gouverneur de Glave [French] (1966)
- Le jardin des délices [French] (1969)
- Le jardin des délices [2] [French] (1969)
- Le jour du ptéranodon [French] (1971)
- Le jour du ptéranodon [2] [French] (1971)
- Le langage de l'amour [French] (1957)
- Le masque du berserker rouge [French] (1967)
- Le masque du berserker rouge [2] [French] (1967)
- Le monde de Thorinn [French] (1969)
- Le monde de Thorinn [2] [French] (1969)
- Le monde de Thorinn [3] [French] (1969)
- Le monde de Thorinn [4] [French] (1969)
- Le météore (Part 1 of 2) [French] (1970)
- Le météore (Part 1 of 2) [2] [French] (1970)
- Le météore (Part 1 of 2) [3] [French] (1970)
- Le météore (Part 2 of 2) [French] (1970)
- Le pays d'esprit [French] (1964)
- Le sorcier d'Anharitte (Part 1 of 3) [French] (1973)
- Le tueur géant [French] (1971)
- Le tueur géant [2] [French] (1971)
- Legacy (1980)
- Les filous de la galaxie [French] (1965)
- Les guerriers de lumière [French] (1966)
- Les guerriers de lumière [2] [French] (1966)
- Les maîtres des dragons [French] (1965)
- Les maîtres des dragons [2] [French] (1965)
- Les maîtres des dragons [3] [French] (1965)
- Les maîtres des dragons [4] [French] (1965)
- Les maîtres des dragons [5] [French] (1965)
- Les maîtres des dragons [6] [French] (1965)
- Les maîtres des dragons [7] [French] (1965)
- Les maîtres des dragons [8] [French] (1965)
- Les robots sont là ! [French] (1969)
- Les élus de Vénus [French] (1967)
- Les élus de Vénus [2] [French] (1967)
- Les élus de Vénus [3] [French] (1967)
- Les élus de Vénus [4] [French] (1967)
- Let Darkness Fall (1975)
- Life Cycle (1970)
- Life Force (1974)
- Life Matter (1969)
- Life Probe (1983)
- Like Unto the Locust (Part 1 of 2) (1979)
- Like Unto the Locust (Part 1 of 2) [2] (1979)
- Like Unto the Locust (Part 1 of 2) [3] (1979)
- Like Unto the Locust (Part 1 of 2) [4] (1979)
- Like Unto the Locust (Part 1 of 2) [5] (1979)
- Like Unto the Locust (Part 2 of 2) (1980)
- Like Unto the Locust (Part 2 of 2) [2] (1980)
- Like Unto the Locust (Part 2 of 2) [3] (1980)
- Like Unto the Locust (Part 2 of 2) [4] (1980)
- Limbo (1963)
- Limits (1981)
- Little Game (1974)
- Locus #112 (1972)
- Locus #114 (1972)
- Locus #70 (1970)
- Locus #70 [2] (1970)
- Lonely Roads (1986)
- Long Live Lord Kor! (1970)
- Longshot (1979)
- Lord Kalvan of Otherwhen (1965)
- Lord of the Green Planet (1967)
- Lords of the Starship (map) (1967)
- Lords of the Starship (title page) (1967)
- Lore of the Witch World (frontispiece) (1980)
- Lost and Found (1980)
- Luna One (1973)
- Malf (1976)
- Malf [2] (1976)
- Man with a Past (1977)
- Mandroid (1966)
- Mandroid (1966) with Gaughan
- Manfire (1965)
- Manfire (1965) with Gaughan
- Manfire [2] (1965)
- Manfire [2] (1965) with Gaughan
- Manfire [3] (1965)
- Manfire [3] (1965) with Gaughan
- Manfire [4] (1965)
- Manfire [4] (1965) with Gaughan
- Manfire [5] (1965)
- Manfire [5] (1965) with Gaughan
- Manhounds of Antares (1974)
- Mankind Under the Leash (1966)
- Map for "The Tower" (1967)
- Mars Child (1985)
- Mars Masked (1979)
- Mars Masked [2] (1979)
- Mars Masked [3] (1979)
- Mars Masked [4] (1979)
- Marsman Meets the Almighty (1975)
- Marsman Meets the Almighty [2] (1975)
- Marsman Meets the Almighty [3] (1975)
- Martian Walkabout (1980)
- Martyr (1973)
- Masque of the Red Shift (1965)
- Masque of the Red Shift (1965) with Gaughan
- Masters of the Lamp (frontispiece) (1970)
- Mauvais destin [French] (1958)
- Mauvais destin [2] [French] (1958)
- Mauvais destin [3] [French] (1958)
- Mayenne (frontispiece) (1973)
- Mayenne and Jondelle (frontispiece) (1981)
- Mayflower I (1972)
- Mayflower II (1973)
- Mayflower Three (1973)
- Me-Too (1970)
- Meccano (1968)
- Mention My Name in Atlantis (frontispiece) (1972)
- Mercenary (2016)
- Mercenary from Tomorrow (frontispiece) (1968)
- Merlin's Mirror (frontispiece) (1975)
- Message from the Eocene (1964)
- Metropolis (title page) (1963)
- Midsummer Century (frontispiece) (1974)
- Mightiest Qorn (1963)
- Mightiest Qorn (1963) with Gaughan
- Mindship (frontispiece) (1974)
- Mining the Moon (1983)
- Mirror Image (frontispiece) (1972)
- Mistaken for Granted (1974)
- Monday Begins on Saturday (frontispiece) (1977)
- Monitor Found in Orbit (frontispiece) (1974)
- Monkey Business (1983)
- Monster (1967)
- Monster of Metelaze (frontispiece) (1973)
- Monsters in Orbit (1965)
- Moon Base (1964)
- Moon of Three Rings (1967)
- Moondust (frontispiece) (1968)
- Moppet (1983)
- Movers and Shakers (1979)
- Mr. Jester (1966)
- Mr. Jester (1966) with Gaughan
- Muck Man (1963)
- Muck Man (1963) with Gaughan
- Muerto y sucesión entre los asadis [Spanish] (1973)
- Mulvan (map) (1968)
- Murder Beneath the Polar Ice (1960)
- Murder Beneath the Polar Ice (1960) with Gaughan
- Mutability (1980)
- My Lady Greensleeves (1957)
- My Lady Greensleeves (1957) with Gaughan
- My Lady Greensleeves [2] (1957)
- My Lady Greensleeves [2] (1957) with Gaughan
- My Lady Greensleeves [3] (1957)
- My Lady Greensleeves [3] (1957) with Gaughan
- Naked to the Stars (frontispiece) (1977)
- Nanda (1972)
- Nanda [2] (1972)
- Nascent (1975)
- Nascent [2] (1975)
- Nascent [3] (1975)
- Nebula Alert (1967)
- Necromancer (1978)
- Necromancer (frontispiece) (1978)
- Nemo (1973)
- Neutron Tide (1970)
- New Worlds (1962)
- New Worlds [bc] (1962)
- Next Time (1973)
- Nightflyers (1981)
- Nightwings (1968)
- Nightwings [2] (1968)
- Nightwings [3] (1968)
- No Planet Like Home (1970)
- Nobody Likes to Be Lonely (1975)
- Noepti-Noe (1972)
- None But I (1969)
- None But I (1969) with Gaughan
- Nostradamus (1974)
- Nostro Servizio Particolare [Italian] (1958)
- Not by Sea (1966)
- Not by Sea (1966) with Gaughan
- Notes from a Cyclical Housewife's Diary (1968)
- Notes from the General Secretariat (1985)
- Nothing for Nothing (1979)
- Now No One Waits (1969)
- Nycon Comics, No. 2 (cover) (2013)
- O Kind Master [2] (1970)
- O mundo que não poderia ser [Portuguese] (2023)
- Occam's Scalpel (1971)
- Ocean On Top (frontispiece) (1973)
- Océanique [French] (1967)
- Océanique [2] [French] (1967)
- ODD, #1 (cover) (1949)
- Odyssey, Summer 1976 (1976)
- Oeil pour... quoi ? [French] (1957)
- Oeil pour... quoi ? [2] [French] (1957)
- Oeil pour... quoi ? [3] [French] (1957)
- Of All Possible Worlds (1956)
- Of All Possible Worlds (1956) with Gaughan
- Of Death What Dreams [2] (1970)
- Of Death What Dreams [2] (1970) with Gaughan
- Of Godlike Power (Part 1 of 2) (1965)
- Of Godlike Power (Part 1 of 2) (1965) with Gaughan
- Of Godlike Power (Part 1 of 2) [2] (1965)
- Of Godlike Power (Part 1 of 2) [2] (1965) with Gaughan
- Of Godlike Power (Part 1 of 2) [3] (1965)
- Of Godlike Power (Part 1 of 2) [3] (1965) with Gaughan
- Of Godlike Power (Part 2 of 2) (1965)
- Of Godlike Power (Part 2 of 2) (1965) with Gaughan
- Of Godlike Power (Part 2 of 2) [2] (1965)
- Of Godlike Power (Part 2 of 2) [2] (1965) with Gaughan
- Of Godlike Power (Part 2 of 2) [3] (1965)
- Of Godlike Power (Part 2 of 2) [3] (1965) with Gaughan
- Of Godlike Power (Part 2 of 2) [4] (1965)
- Of Godlike Power (Part 2 of 2) [4] (1965) with Gaughan
- Of Godlike Power (Part 2 of 2) [5] (1965)
- Of Godlike Power (Part 2 of 2) [5] (1965) with Gaughan
- Of Men and Monsters (cover) (2021)
- Off Center (1965)
- Old Folks at Home (1980)
- Old Folks at Home [2] (1980)
- On Conquered Earth (1967)
- On Conquered Earth (1967) with Gaughan
- On the Account (1973)
- On the Outside, Looking In (1983)
- On the Outside, Looking In [2] (1983)
- On the Sand Planet (1965)
- On the Sand Planet [2] (1965)
- On the Sand Planet [3] (1965)
- On Venus the Thunder Precedes the Lightning (1971)
- Once Around Arcturus (1962)
- Once Around Arcturus (1962) with Gaughan
- Once On Aranea (1973)
- One Against the Legion (cover) (1967)
- One and One Are Two (1972)
- One on Me (frontispiece) (1980)
- One-Generation New World (1971)
- One-Generation New World [2] (1971)
- Opening Night (1976)
- Opening Night [2] (1976)
- Operation Stinky (1957)
- Operation Stinky (1957) with Gaughan
- Operation Stinky [2] (1957)
- Operation Stinky [2] (1957) with Gaughan
- Operation Stinky [3] (1957)
- Operation Stinky [3] (1957) with Gaughan
- Operation Time Search (title page) (1969)
- Opération Putois [French] (1957)
- Opération Putois [2] [French] (1957)
- Opération Putois [3] [French] (1957)
- Oracle For a White Rabbit (1969)
- Orbitsville (Part 3 of 3) (1974)
- Our Man in Peking (1967)
- Our Man in Peking (1967) with Gaughan
- Our Man in Peking [2] (1967)
- Our Man in Peking [2] (1967) with Gaughan
- Our Man in Peking [3] (1967)
- Our Man in Peking [3] (1967) with Gaughan
- Our Man in Peking [4] (1967)
- Our Man in Peking [4] (1967) with Gaughan
- Our Man in Space (1965)
- Out of Phase (1969)
- Out of Phase [2] (1969)
- Outermost: The Art + Life of Jack Gaughan (2010)
- Outside the Universe (1964)
- Outside the Universe (Ace Books, 1964, interior art) (1964)
- Override (1973)
- Override [2] (1973)
- P. Fogg (1973)
- Paingod (2022)
- Pandora's Planet (frontispiece) (1973)
- Paradoxes [French] (1957)
- Parthen (1973)
- Particle Theory (1979)
- Passages (1974)
- Passerby (1969)
- Patrol Team (1982)
- Patrol Team [2] (1982)
- Patron of the Arts (1965)
- Patron of the Arts (1965) with Gaughan
- Patterns of Chaos (Part 1 of 3) (1972)
- Patterns of Chaos (Part 2 of 3) (1972)
- Pegasus Two (1971)
- Pegasus Two [2] (1971)
- Pendulum (frontispiece) (1978)
- Perfect Match (1971)
- Perfection (1983)
- Perpendicular Worlds (1984)
- Perpetual Motion (1967)
- Perris [French] (1969)
- Perris [2] [French] (1969)
- Perris [3] [French] (1969)
- Perris Way (1968)
- Perris Way (1968) with Gaughan
- Perris Way [2] (1968)
- Perris Way [2] (1968) with Gaughan
- Perris Way [3] (1968)
- Perris Way [3] (1968) with Gaughan
- Persephone and Hades (1973)
- Phoenix Prime ~ & the Books of Qar (1968) with Roy G. Krenkel
- Phoenix Ship (frontispiece) (1969)
- Physician to the Universe (1963)
- Physician to the Universe (1963) with Gaughan
- Physician to the Universe [2] (1963)
- Physician to the Universe [2] (1963) with Gaughan
- Pigeon City (1972)
- Pigeon City [2] (1972)
- Pigeon City [3] (1972)
- Pine Castle (1983)
- Pinocchio (1977)
- Pinocchio [2] (1977)
- Pixie Dixon and the Mystery of the Haunted Playpen (1982)
-
Pièges?Pieges[French] (1972)
- Planet of Dread (frontispiece) (1974)
- Planet of Exile (frontispiece) (1966)
- Planet of Forgetting (1965)
- Planet of Forgetting (1965) with Gaughan
- Planet of Forgetting [2] (1965)
- Planet of Forgetting [2] (1965) with Gaughan
- Planet of Forgetting [3] (1965)
- Planet of Forgetting [3] (1965) with Gaughan
- Planet of Forgetting [4] (1965)
- Planet of Forgetting [4] (1965) with Gaughan
- Planet Probability (frontispiece) (1973)
- Planetary Agent X (frontispiece) (1965)
- Plaything (1974)
- Poems (1974)
- Point Oméga [French] (1966)
- Point Oméga [2] [French] (1966)
- Point Oméga [3] [French] (1966)
- Point Oméga [4] [French] (1966)
- Portions of This Program... (1977)
- Postmarked the Stars (frontispiece) (1969)
- Pow Wow (1975)
- Pow Wow (1975) with Gaughan
- Power Complex (1972)
- Power Play (1970)
- Pressure Vessel (1970)
- Pressure Vessel (1970) with Gaughan
- Price of Honor (1973)
- Priest of the Baraboo (1979)
- Priest of the Baraboo [2] (1979)
- Priest of the Baraboo [3] (1979)
- Prince of Scorpio (1974)
- PRoblem (1956)
- PRoblem (1956) with Gaughan
- Progeny of the Adder (1968)
- Project Jove (frontispiece) (1971)
- Projections (1976)
- Projections [2] (1976)
- Promise Them Anything (1973)
- Promised Land (frontispiece) (1974)
- Protecteur des arts [French] (1968)
- Protest (1974)
- Proud Rider (1979)
- Psychotic, January 1968 (1968) with William Rotsler
- Psychotic, January 1968 (1968) with Bill Rotsler
- Psychotic, March 1968 (1968) with John D. Berry and Dick Flinchbaugh and Ray Nelson and Carol Peters and Andrew Porter and William Rotsler and Steve Stiles and Bjo Trimble
- Psychotic, March 1968 (1968) with John D. Berry and Bjo and Richard Flinchbaugh and Ray Nelson and Carol Peters and Andy Porter and Bill Rotsler and Steve Stiles
- Psychotic, May 1968 (1968) with John D. Berry and Ray Nelson and William Rotsler and Mike Symes and Stan Taylor
- Psychotic, May 1968 (1968) with John D. Berry and Ray Nelson and Bill Rotsler and Mike Symes and Stan Taylor
-
Psychotic, September 1968 (1968)
with
Al Andrews
and
Richard Bergeron
and
John D. Berry
and
Vaughn Bodé?Vaughn Bodeand Ross Chamberlain and Bob Kellog and Doug Lowenstein and Ray Nelson and William Rotsler and Steve Stiles and Mike Symes
-
Psychotic, September 1968 (1968)
with
Al Andrews
and
Richard Bergeron
and
John D. Berry
and
Vaughn Bodé?Vaughn Bodeand Ross Chamberlain and Bob Kellog and Doug Lowenstein and Ray Nelson and Bill Rotsler and Steve Stiles and Mike Symes
- Pure Gold (1977)
- Pursuit of the Screamer (frontispiece) (1978)
- Quag Keep (frontispiece) (1979)
- Quand l'oracle a parlé... [French] (1969)
- Quand l'oracle a parlé... [2] [French] (1969)
- Quest Crosstime (1966)
- Quest for the White Witch (1978)
- Quest of the Dawn Man (1964)
- Quickening (1973)
- Quicksand (frontispiece) (1976)
- Quiddities (1983)
- Quiddities [2] (1983)
- Quota for Conquest (1957)
- Quota for Conquest (1957) with Gaughan
- Rainy Day Revolution No. 39 (1967)
- Reality Doll (Complete Novel) (1971)
- Reality Forbidden (1967)
- Rebel of Antares (1980)
- Recoil (frontispiece) (1971)
- Rendezvous with Rama (Part 2 of 2) (1973)
- Renegade of Kregen (1976)
- Research Alpha (1965)
- Research Alpha (1965) with Gaughan
- Retief of the Red-Tape Mountain (1962)
- Retief of the Red-Tape Mountain (1962) with Gaughan
- Retief's War (1965)
- Retief's War (1965) with Gaughan
- Retief's War (Part 1 of 3) (1965)
- Retief's War (Part 1 of 3) (1965) with Gaughan
- Retief's War (Part 2 of 3) (1965)
- Retief's War (Part 2 of 3) (1965) with Gaughan
- Retief, God-Speaker (1965)
- Retief, God-Speaker (1965) with Gaughan
- Retief, Insider (1971)
- Retief, the Long-Awaited Master (1969)
- Retief, the Long-Awaited Master (1969) with Gaughan
- Retief, War Criminal (1967)
- Retief, War Criminal (1967) with Gaughan
- Rhapsody in Black (frontispiece) (1973)
- Ride a Tin Can (1970)
- Rim Change (1975)
- Rim Change [2] (1975)
- Rim Change [3] (1975)
- Rime Isle (Part 2 of 2) (1977) with Freff
- Rivers of Damascus (1974)
- Riverworld (1966)
- Riverworld (1966) with Gaughan
- Riverworld [2] (1966)
- Riverworld [2] (1966) with Gaughan
- Robbie and David and Little Dahl (1972)
- Rocannon's World (1966)
- Rogue Dragon (1965)
- Rogue Queen (1965)
- Rogue Ship (1980)
- Rogue Ship (frontispiece) (1980)
- Rogue Star (Part 1 of 3) (1968)
- Rogue Star (Part 1 of 3) (1968) with Gaughan
- Rogue Star (Part 2 of 3) (1968)
- Rogue Star (Part 2 of 3) (1968) with Gaughan
- Rogue Star (Part 3 of 3) (1968)
- Rogue Star (Part 3 of 3) (1968) with Gaughan
- Rogue's Gambit (1968)
- Rogue's Gambit (1968) with Gaughan
- Rorqual Maru (1972)
- Rotating Cylinders and the Possibility of Global Causality Violation (1977)
- S.O.S. From Three Worlds (title page) (1967)
- Saga of Lost Earths (title page) (1966)
- Saga of Lost Earths and The Star Mill (frontispiece) (1979)
- Sales of a Deathman (1968)
- Sales of a Deathman (1968) with Gaughan
- Sanctuary (1976)
- Santa Titicaca (1970)
- Sargasso of Space (frontispiece) (1971)
- Satisfaction Guaranteed (1961)
- Satisfaction Guaranteed (1961) with Gaughan
- Schrödinger's Cat (1981)
- Schrödinger's Plague (1982)
- Science Fiction Around the World (1967)
- Science Fiction Review, April 1969 (1969)
- Science Fiction Review, April 1969 [10] (1969)
- Science Fiction Review, April 1969 [11] (1969)
- Science Fiction Review, April 1969 [2] (1969)
- Science Fiction Review, April 1969 [3] (1969)
- Science Fiction Review, April 1969 [4] (1969)
- Science Fiction Review, April 1969 [5] (1969)
- Science Fiction Review, April 1969 [6] (1969)
- Science Fiction Review, April 1969 [7] (1969)
- Science Fiction Review, April 1969 [8] (1969)
- Science Fiction Review, April 1969 [9] (1969)
- Science Fiction Review, August 1969 (1969)
- Science Fiction Review, August 1970 (1970)
- Science Fiction Review, December 1969 (1969) with ATom and George Foster, Jr. and Michael Gilbert and Cynthia Goldstone and Jay Kinney and Tim Kirk and Dave Lovenstein and William Rotsler and James Shull and Bernie Zuber
- Science Fiction Review, December 1969 (1969) with George Foster and Mike Gilbert and Cynthia Goldstone and Jay Kinney and Tim Kirk and Dave Lovenstein and Bill Rotsler and Jim Shull and Arthur Thompson and Bernard Zuber
- Science Fiction Review, January 1971 (1971)
- Science Fiction Review, January 1971 [2] (1971)
- Science Fiction Review, March 1971 (1971)
- Science Fiction Review, March 1971 [2] (1971)
- Science Fiction Review, November 1968 (1968)
- Science Fiction Review, November 1968 [2] (1968)
- Science Fiction Review, November 1968 [3] (1968)
- Science Fiction Review, November 1968 [4] (1968)
- Science Fiction Review, October 1969 (1969) with John D. Berry and Ross Chamberlain and Stephen Fabian and Dick Flinchbaugh and Michael Gilbert and Doug Lovenstein and William Rotsler and James Shull and Bob Smith (II)
- Science Fiction Review, October 1969 (1969) with John D. Berry and Ross Chamberlain and Steve Fabian and Richard Flinchbaugh and Mike Gilbert and Doug Lovenstein and Bill Rotsler and Jim Shull and Bob Smith (II)
- Scramble (1971)
- Scratches in the Dark (1982)
- Seasonal Special (1984)
- Second Advent (1974)
- Second Run at the Data (1971)
- Second-Hand Smoke (1984)
- Second-Hand Stonehenge (1970)
- Second-Hand Stonehenge [2] (1970)
- Seedling From the Stars (1970)
- Seeker of the Way (1976)
- Seetee Alert! (cover) (1974)
- Seetee Alert! (frontispiece) (1974)
- Selling the Promised Land (1977)
- Sensazione [Italian] (1962) with Gaughan
- Sentience (1973)
- September Song (1980)
- Servants of the Wankh (frontispiece) (1979)
- Seven American Nights (1980)
- Seven American Nights [2] (1980)
- Seven Doors to Education (1961)
- Seven Doors to Education (1961) with Gaughan
- Seventy Years of Decpop (1972)
- SFWA Bulletin, October 1975 (1975) with William Rotsler and Barry Schneider and Donald Simpson
- Shadow Hawk (1964)
- Shall We Have a Little Talk? (1965)
- Shall We Have a Little Talk? (1965) with Gaughan
- Shall We Have a Little Talk? [2] (1965)
- Shall We Have a Little Talk? [2] (1965) with Gaughan
- Shausta (1972)
- She Still Do (1970)
- Sheltering Dream (1972)
- Ship Me Tomorrow (1970)
- Shipwright (1978)
- Shooting Iron (1984)
- Short Scrolls (Amra V2n56, June 1972) (1972) with Alicia Austin and Roy G. Krenkel and L. J. Spaulding
- Showcase (Galaxy, July 1976) (1976)
- Showcase (Galaxy, October 1974) (1974)
- Showcase: Merlin and the Dragon (1975)
- Silicon Muse (1984)
- Silicon Muse [2] (1984)
- Silkies in Space (1966)
- Silkies in Space (1966) with Gaughan
- Silver to Bronze - Over (1972)
- Silverlock (title page) (1966)
- Singularity (1978)
- Singularity [2] (1978)
- Singularity Station (frontispiece) (1973)
- Sittik (1970)
- Six Gates to Limbo (Part 1 of 2) (1969)
- Six Gates to Limbo (Part 1 of 2) (1969) with Gaughan
- Six Gates to Limbo (Part 2 of 2) (1969)
- Six Gates to Limbo (Part 2 of 2) (1969) with Gaughan
- Six Men from Alpha (1973)
- Sketches for Andre Norton's "Quag Keep" (1978)
- Skweem Nord, Skweem Sud [French] (1972)
- Slave Ship from Sergan (frontispiece) (1973)
- Sleeping Beauty (1970)
- Small One (1965)
- Small One (1965) with Gaughan
- Small Talent (1979)
- Snow White and the Giants (Part 1 of 4) (1966)
- Snow White and the Giants (Part 1 of 4) (1966) with Gaughan
- Snow White and the Giants (Part 2 of 4) (1966)
- Snow White and the Giants (Part 2 of 4) (1966) with Gaughan
- Snow White and the Giants (Part 3 of 4) (1966)
- Snow White and the Giants (Part 3 of 4) (1966) with Gaughan
- Snow White and the Giants (Part 4 of 4) (1967)
- Snow White and the Giants (Part 4 of 4) (1967) with Gaughan
- Snowflake (1981)
- So Bright the Vision (frontispiece) (1968)
- Solar Lottery (2020)
- Some Joys Under the Star (1973)
- Son of the Tree (1964)
- Space Bounce (1973)
- Space Mercenaries (1965)
- Spacehawk, Inc. (frontispiece) (1974)
- Spacehounds of IPC (1966)
- Spawn of Laban (frontispiece) (1974)
- Spawn of Satan (2022)
- Speculation (1976)
- Speculation [2] (1976)
- Spell of the Witch World (frontispiece) (1972)
- Squatter's Rights (1968)
- Squatter's Rights (1968) with Gaughan
- St. Louiscon Members (1969)
- St. Louiscon Program Book (cover) (1969)
- Star Bike (1968)
- Star Bike (1968) with Gaughan
- Star Courier (frontispiece) (1977)
- Star Crossing (1971)
- Star Hunter (2006)
- Star Hunter & Voodoo Planet (1968)
- Star Loot (frontispiece) (1980)
- Star Magician (1968)
- Star of Danger (1965)
- Star Quest (frontispiece) (1968)
- Star Seeder (1969)
- Star Seeder (1969) with Gaughan
- Star Winds (frontispiece) (1978)
- Stardance (1979)
- Starmasters' Gambit (frontispiece) (1973)
- Stars in My Pocket Like Grains of Sand (excerpt) (1980)
- Starsong (1968)
- Starsong (1968) with Gaughan
- Stepson to Creation (1977)
- Stone Place (1965)
- Stone Place (1965) with Gaughan
- Stormbringer (cover) (2001)
- Stormqueen! (frontispiece) (1978)
- Strange Doings (frontispiece) (1973)
- Stranger in Paradise (1974)
- Stranger Than You Think (frontispiece) (1965)
- Stress Pattern (frontispiece) (1974)
- Study for "World of the Starwolves" (1969)
- Subway to the Stars (1968)
- Subway to the Stars [2] (1968)
- Subway to the Stars [3] (1968)
- Support Your Local Police (1973)
- Survival Kit (1957)
- Survival Kit (1957) with Gaughan
- Survival Kit [2] (1957)
- Survival Kit [2] (1957) with Gaughan
- Survival Kit [3] (1957)
- Survival Kit [3] (1957) with Gaughan
- Sus aux Krultchs ! [French] (1969)
- Sus aux Krultchs ! [2] [French] (1969)
- Sus aux Krultchs ! [3] [French] (1969)
- Sus aux Krultchs ! [4] [French] (1969)
- Susies' Reality (1973)
- Swan Song (frontispiece) (1975)
- Swap (1970)
- Swap (1970) with Gaughan
- Sweet Sister, Green Brother (1973)
- Sword and Scepter (Part 1 of 2) (1973)
- Sword and Scepter (Part 1 of 2) [2] (1973)
- Sword and Scepter (Part 1 of 2) [3] (1973)
- Sword and Scepter (Part 2 of 2) (1973)
- Sword and Scepter (Part 2 of 2) [2] (1973)
- Sword and Scepter (Part 2 of 2) [3] (1973)
- Swordsmen in the Sky (1964)
- Swordsmen of the Stars (1967)
- Swordsmen of the Stars (1967) with Gaughan
- Syncope and Fugue (1975)
- Syncope and Fugue [2] (1975)
- Take the B Train [2] (1969)
- Tama of the Light Country (1965)
- Tama, Princess of Mercury (1966)
- Target of Opportunity (1974)
- Target: Terra (frontispiece) (1968)
- Technos (frontispiece) (1972)
- Teddy Bear (1970)
- Telemart 3 (1970)
- Teratohippus (1972)
- Testament XXI (1973)
- That P.O. Box in Schenectady That You've All Heard So Much About (1982)
- The 63rd of August (1977)
- The 9 To 5 Wizard (1985)
- The Aerial Machine (1974)
- The Age of Ruin (1968)
- The Agent (1971)
- The Airs of Earth (1986)
- The All-Together Planet (1971)
- The Altar on Asconel (1965)
- The Alternate Martians (1965)
- The Annihilation of Angkor Apeiron (1975)
- The Arsenal of Miracles (1964)
- The Arsenal of Miracles (2022)
- The Arsenal Out of Time (1967)
- The Arsenal Out of Time (title page) (1967)
- The Atom Conspiracy (1966)
- The Atom Conspiracy (frontispiece) (1966)
- The August Revolution (1974)
- The Avengers of Carrig (frontispiece) (1980)
- The Baby (1974)
- The Backward Look (1979)
- The Backward Look [2] (1979)
- The Ballad of Beta-2 (1965)
- The Banks Deposit: Prozine Commentary (Science Fiction Review, April 1970) (1970)
- The Barbarian of World's End (frontispiece) (1977)
- The Barbie Murders (1978)
- The Barbie Murders [2] (1978)
- The Barbie Murders [3] (1978)
- The BASIC Universe (1985)
- The Beast that Shouted Love (1968)
- The Beasts of Kohl (1966)
- The Best from Fantasy and Science Fiction, Tenth Series (title page) (1965)
- The Best from Fantasy and Science Fiction: 9th Series (1964)
- The Best of Fantasy & Science Fiction: 12th Series (1967)
- The Big Black Bag (1981)
- The Big Black Mark (frontispiece) (1975)
- The Big Jump (1967)
- The Big Tin God (1967)
- The Bitter Bread (1975)
- The Bitter Bread [2] (1975)
- The Bitter End (1978)
- The Black Mountains (1971)
- The Black Star Passes (1965)
- The Blind Worm (1970)
- The Bloody Sun (1964)
- The Bodelan Way (frontispiece) (1974)
- The Book of Andre Norton (frontispiece) (1975)
- The Book of Baraboo (1980)
- The Book of Baraboo [2] (1980)
- The Book of Baraboo [3] (1980)
- The Book of Baraboo [4] (1980)
- The Book of Baraboo [5] (1980)
- The Book of Baraboo [6] (1980)
- The Book of Dreams (frontispiece) (1981)
- The Book of Frank Herbert (frontispiece) (1973)
- The Book of Fritz Leiber (frontispiece) (1974)
- The Book of Gordon Dickson (frontispiece) (1973)
- The Book of John Brunner (frontispiece) (1976)
- The Book of Philip José Farmer or The Wares of Simple Simon's Custard Pie and Space Man (1973)
- The Book of Philip K. Dick (frontispiece) (1973)
- The Book of Rack the Healer (Part 1 of 2) (1972)
- The Book of Saberhagen (frontispiece) (1975)
- The Book of van Vogt (frontispiece) (1972)
- The Boy Who Cried Werewolf (1982)
- The Boy Who Cried Werewolf [2] (1982)
- The Brain Pirates (1966)
- The Brain Stealers of Mars (1966)
- The Brains of Earth (1966)
- The Brass Dragon (frontispiece) (1969)
- The Bridge [2] (1970)
- The Bright Companion (frontispiece) (1980)
- The Broken Lands (title page) (1968)
- The Bulletin of the Science Fiction Writers of America, August 1976 (1976)
- The Bulletin of the Science Fiction Writers of America, July 1975 (1975) with William Rotsler and Barry Schneider and Donald Simpson
- The Bulletin of the Science Fiction Writers of America, June 1976 (1976) with Greg Bear and Diane Duane and Ruth Rigel and William Rotsler and Barry Schneider
- The Bulletin of the Science Fiction Writers of America, March 1976 (1976)
- The Bulletin of the Science Fiction Writers of America, November 1971 (1971)
- The Bulletin of the Science Fiction Writers of America, October 1976 (1976)
- The Bulletin of the Science Fiction Writers of America, September 1971 (1971)
- The Business Side of Writing (1975)
- The Cast-Iron Rat (1972)
- The Castaways of Tanagar (frontispiece) (1981)
- The Castle of Light (1964)
- The Castle of Light (1964) with Gaughan
- The Castoffs (1972)
- The Caves of Mars (1965)
- The Cerebrated Jumping Frog (1975)
- The Child's Story (1977)
- The City Machine (frontispiece) (1972)
- The City of the Sun (frontispiece) (1978)
- The City of Ul Chalan (1973)
- The City of Ul Chalan [2] (1973)
- The City of Ul Chalan [3] (1973)
- The City of Ul Chalan [4] (1973)
- The City That Grew in the Sea (1964)
- The City That Grew in the Sea (1964) with Gaughan
- The Closed Worlds (frontispiece) (1968)
- The Collected Stories Of Roger Zelazny (frontispiece portrait) (2009)
- The Colony That Failed (1964)
- The Coming Age of Soviet Science Fiction (1968)
- The Communipaths (frontispiece) (1970)
- The Computer Conspiracy (Part 1 of 2) (1968)
- The Computer Conspiracy (Part 1 of 2) (1968) with Gaughan
- The Computer Conspiracy (Part 2 of 2) (1968)
- The Computer Conspiracy (Part 2 of 2) (1968) with Gaughan
- The Cool War (1979)
- The Cool War [2] (1979)
- The Cool War [3] (1979)
- The Cool War [4] (1979)
- The Cool War [5] (1979)
- The Cosmic Computer (1964)
- The Country Boy (1965)
- The Crack in Space (1966)
- The Crayfish (1970)
- The Crayfish [2] (1970)
- The Crippled Swan (1982)
- The Crystal Ball (1984)
- The Crystal Ball [2] (1984)
- The Crystal Gryphon (frontispiece) (1973)
- The Cube (1970)
- The Cube (1970) with Gaughan
- The Dark Dimensions (frontispiece) (1971)
- The Dark Intruder & Other Stories (1964)
- The Day Before the Revolution (1974)
- The Day of the Gringo (1975)
- The Day of the Gringo (1975) with uncredited
- The Day of the Klesh (frontispiece) (1979)
- The Day of the Star Cities (1965)
- The Day the World Ended (1964)
- The Deadly Thing at 2.4 Kilo-Parsecs (1984)
- The Deceivers (1968)
- The Deceivers (1968) with Gaughan
- The Decision Makers (1965)
- The Decision Makers (1965) with Gaughan
- The Decision Makers [2] (1965)
- The Decision Makers [2] (1965) with Gaughan
- The Deicides (1980)
- The Demon Queen (1984)
- The Desert and the Stars (1962)
- The Desert and the Stars (1962) with Gaughan
- The Devil on Salvation Bluff (1965)
- The Devolutionist and the Emancipatrix (frontispiece) (1965)
- The Digital Dictator (1982)
- The Dirdir (frontispiece) (1979)
- The Disciples of Cthulhu (frontispiece) (1976)
- The Disposal Man (1967)
- The Doomsday Gene (Part 1 of 2) (1973)
- The Doomsday Gene (Part 2 of 2) (1973)
- The Doors of His Face, the Lamps of His Mouth (1967)
- The Double Invaders (1967)
- The Double Minds (1966)
- The Dragon Masters (1962)
- The Dragon Masters (1962) with Gaughan
- The Dragon Masters (1986) with Gaughan
- The Dragon Masters [10] (1962)
- The Dragon Masters [10] (1962) with Gaughan
- The Dragon Masters [2] (1962)
- The Dragon Masters [2] (1962) with Gaughan
- The Dragon Masters [3] (1962)
- The Dragon Masters [3] (1962) with Gaughan
- The Dragon Masters [4] (1962)
- The Dragon Masters [4] (1962) with Gaughan
- The Dragon Masters [5] (1962)
- The Dragon Masters [5] (1962) with Gaughan
- The Dragon Masters [6] (1962)
- The Dragon Masters [6] (1962) with Gaughan
- The Dragon Masters [7] (1962)
- The Dragon Masters [7] (1962) with Gaughan
- The Dragon Masters [8] (1962)
- The Dragon Masters [8] (1962) with Gaughan
- The Dragon Masters [9] (1962)
- The Dragon Masters [9] (1962) with Gaughan
- The Dream Machine (1970)
- The Dream Machine [2] (1970)
- The Dream Machine [3] (1970)
- The Dream Machine [4] (1970)
- The Dream Machine [5] (1970)
- The Dream Master (1966)
- The Dream Millennium (Part 1 of 3) (1973)
- The Dream Millennium (Part 2 of 3) (1973)
- The Dream Millennium (Part 3 of 3) (1973)
- The Dreamworld of H.P. Lovecraft (map) (1967)
- The Duplicators (1964)
- The Durable Man (1974)
- The Dwarfs of Zwergwelt (1972)
- The Eater of Worlds (frontispiece) (1974)
- The Einstein Intersection (cover) (2021)
- The Einstein Intersection (title page) (1967)
- The Electric Sword-Swallowers (frontispiece) (1971)
- The Enchanted Forest (1964)
- The Epsilon Problem (1967)
- The Escape Orbit (1965)
- The Eskimo Invasion (1966)
- The Eskimo Invasion (1966) with Gaughan
- The Eskimo Invasion [2] (1966)
- The Eskimo Invasion [2] (1966) with Gaughan
- The Ethics of Trade (1970)
- The Executive Rat (1972)
- The Exile of Time (1965)
- The Eyes of Bolsk (frontispiece) (1969)
- The Eyes of the Overworld (1966)
- The Eyes of the Overworld (cover) (2001)
- The Fabulous Riverboat (Part 1 of 2) (1971)
- The Fabulous Riverboat (Part 2 of 2) (1971)
- The Faded Sun: Shon'jir (frontispiece) (1979)
- The Fairly Civil Service (1967)
- The Fairly Civil Service (1967) with Gaughan
- The Fall of Chronopolis (frontispiece) (1974)
- The Fall of the Dream Machine (frontispiece) (1969)
- The Fantastic Swordsmen (cover) (2001)
- The Far King (1978)
- The Far King (1978)
- The Far King [2] (1978)
- The Far King [2] (1978)
- The Feeling (1961)
- The Feeling (1961) with Gaughan
- The Felled Star (1967)
- The Felled Star (Part 2 of 2) (1967)
- The Felled Star (Part 2 of 2) (1967) with Gaughan
- The Fellowship of the Ring (cover) (2001)
- The Fellowship of the Ring (title page) (1965)
- The Fenris Device (frontispiece) (1974)
- The Final Circle of Paradise (frontispiece) (1976)
- The Final Circle of Paradise (frontispiece) (1979)
- The Five Gold Bands (frontispiece) (1980)
- The Fortress Unvanquishable, Save for Sacnoth (map) (1967)
- The Founding of Civilization (1968)
- The Four-Hour Fugue (1974)
- The Furies (1967)
- The Galactic Calabash (1965)
- The Galaxy Primes (1965)
- The Game-Players of Titan (title page) (1963)
- The Gameplayers of Zan (frontispiece) (1977)
- The Ganymede Takeover (1967)
- The Garden of Ease (1968)
- The Garden of Ease [2] (1968)
- The Garden of Ease [3] (1968)
- The Garments of Caean (1980)
- The Gates of Creation (frontispiece) (1966)
- The Gates of Time (frontispiece) (1970)
- The Genetic Buccaneer (frontispiece) (1974)
- The Genius Heap (1956)
- The Genius Heap (1956) with Gaughan
- The Geometry of Narrative (1983)
- The Gholan Gate (frontispiece) (1974)
- The Ghosts of Epidoris (frontispiece) (1975)
- The Ginger Star (Part 1 of 2) (1974)
- The Girl and the Dolphin (1973)
- The Girl in his Mind (1963)
- The Girl in His Mind (1963) with Gaughan
- The Girl in his Mind [2] (1963)
- The Girl in His Mind [2] (1963) with Gaughan
- The Girl in the Gem (map) (1967)
- The Girl With a Symphony in Her Fingers (1974)
- The Goblin Tower (map) (1968)
- The Gods Themselves (1986) with Gaughan
- The Gods Themselves (Part 2 of 3) (1972)
- The Gods Themselves (Part 3 of 3) (1972)
- The Gods Themselves (Part 3 of 3) (1972) with Gaughan
- The Golden People (1964)
- The Governor of Glave (1963)
- The Governor of Glave (1963) with Gaughan
- The Grand Illusions (1972)
- The Grater Monster (1949)
- The Graveyard Heart (1967)
- The Great Doomed Ship (1964)
- The Great Doomed Ship [2] (1964)
- The Green Brain (1966)
- The Halcyon Drift (frontispiece) (1972)
- The Hand is Quicker (1973)
- The Hannes Bok Memorial Showcase of Fantasy Art (1974)
- The Hannes Bok Memorial Showcase of Fantasy Art [2] (1974)
- The Haunted Corpse (1957)
- The Haunted Corpse (1957) with Gaughan
- The Hawks of Arcturus (frontispiece) (1974)
- The Heritage of Hastur (frontispiece) (1975)
- The Heritage of Hastur (frontispiece) (1975)
- The Hero (1971)
- The Hero of Downways (frontispiece) (1973)
- The Herod Men (frontispiece) (1971)
- The Hole Man (1974)
- The Holmes-Ginsbook Device (1968)
- The Holmes-Ginsbook Device (1968) with Gaughan
- The Hook, the Eye and the Whip (1974)
- The Hot and Cold Running Waterfall (1980)
- The House of Compassionate Sharers (1979)
- The Houses of Iszm (1964)
- The Howard Review, October 2008 (Cover illustration for "Alumuric", Ace) (2008)
- The Howling Bounders (1966)
- The Hunter Out of Time (1965)
- The If Reader of Science Fiction (1967)
- The IFTH of OOFTH (1957)
- The IFTH of OOFTH (1957) with Gaughan
- The Immortality Seekers (1966)
- The Indian Giver (Part 1 of 3) (1974)
- The Indian Giver (Part 1 of 3) [2] (1974)
- The Indian Giver (Part 1 of 3) [3] (1974)
- The Indian Giver (Part 1 of 3) [4] (1974)
- The Indian Giver (Part 1 of 3) [5] (1974)
- The Indian Giver (Part 1 of 3) [6] (1974)
- The Indian Giver (Part 1 of 3) [7] (1974)
- The Indian Giver (Part 1 of 3) [8] (1974)
- The Indian Giver (Part 1 of 3) [9] (1974)
- The Indian Giver (Part 2 of 3) (1974)
- The Indian Giver (Part 2 of 3) [2] (1974)
- The Indian Giver (Part 2 of 3) [3] (1974)
- The Indian Giver (Part 2 of 3) [4] (1974)
- The Indian Giver (Part 2 of 3) [5] (1974)
- The Indian Giver (Part 2 of 3) [6] (1974)
- The Indian Giver (Part 2 of 3) [7] (1974)
- The Indian Giver (Part 3 of 3) (1975)
- The Indian Giver (Part 3 of 3) [2] (1975)
- The Indian Giver (Part 3 of 3) [3] (1975)
- The Indian Giver (Part 3 of 3) [4] (1975)
- The Indian Giver (Part 3 of 3) [5] (1975)
- The Initiation (1979)
- The Insect Warriors (1965)
- The Island of the Crabs (1968)
- The Jagged Pink Marshmallow Kid (1970)
- The Janus Equation (1980)
- The Jaws That Bite, the Claws That Catch (frontispiece) (1975)
- The Jewels of Aptor (title page) (1962)
- The Joan-of-Arc Replay (frontispiece) (1978)
- The Junk Man Cometh (1966)
- The Junk Man Cometh (1966) with Gaughan
- The Kar-Chee Reign (1966)
- The Keeper's Price and Other Stories (1980)
- The Key to Venudine (1968)
- The Killers (1975)
- The Killing Machine (frontispiece) (1978)
- The King in Yellow (cover) (2000)
- The King in Yellow (title page) (1965)
- The King of Thieves (1966)
- The Kingdom of Genghir (map) (1967)
- The Kingdom of Poyana (map) (1979)
- The Kokod Warriors (1966)
- The Language of Love (1957)
- The Language of Love (1957) with Gaughan
- The Languages of Pao (frontispiece) (1980)
- The Last Castle (1966) with Gaughan
- The Last Castle (frontispiece) (1966)
- The Last Castle [2] (1966)
- The Last Castle [2] (1966) with Gaughan
- The Last Castle [3] (1966)
- The Last Castle [3] (1966) with Gaughan
- The Last Castle [4] (1966)
- The Last Castle [4] (1966) with Gaughan
- The Last Castle [5] (1966)
- The Last Castle [5] (1966) with Gaughan
- The Last Days of the Captain (1962)
- The Last Days of the Captain (1962) with Gaughan
- The Last Days of the Captain [2] (1962)
- The Last Days of the Captain [2] (1962) with Gaughan
- The Last Door (1968)
- The Last Hope of Earth (1965)
- The Last Hunt (1973)
- The Last Master of Limericks (1978)
- The Last Night of the Festival (1970)
- The Last Night of the Festival [2] (1970)
- The Last Place on Earth (1962)
- The Last Place on Earth (1962) with Gaughan
- The Last Thrilling Wonder Story (1982)
- The Last Thrilling Wonder Story [2] (1982)
- The Legion of Space (cover) (1967)
- The Legion of Time (cover) (1967)
- The Light in the Looking Glass (1984)
- The Light in the Looking Glass [2] (1984)
- The Light That Never Was (frontispiece) (1973)
- The Lion Game (frontispiece) (1973)
- The Long Night (1974)
- The Lord of Death and the Queen of Life (1965)
- The Lord's Pink Ocean (frontispiece) (1973)
- The Lost Millennium (1967)
- The Mad Metropolis (1966)
- The Magazine of Fantasy and Science Fiction, February 1971 (2015)
- The Maker of Universes (1965)
- The Maker of Universes (frontispiece) (1965)
- The Maker of Universes (title page) (1965)
- The Mallinson Case (1970)
- The Malodorous Plutocrats (1979)
- The Man in the Maze (Part 1 of 2) (1968)
- The Man in the Maze (Part 1 of 2) (1968) with Gaughan
- The Man in the Maze (Part 2 of 2) (1968)
- The Man in the Maze (Part 2 of 2) (1968) with Gaughan
- The Man Who Knew How to Make History (1976)
- The Man Who Murdered Television (1976)
- The Man Who Saw Tomorrow (frontispiece) (1968)
- The Man Who Went Back (1985)
- The Man Who Would Not (1969)
- The Man Without a Planet (1966)
- The Many Worlds of Magnus Ridolph (frontispiece) (1966)
- The Many Worlds of Magnus Ridolph (frontispiece) (1980)
- The Martian Sphinx (1965)
- The Martian Star-Gazers (1962)
- The Martian Star-Gazers (1962) with Gaughan
- The Martian Star-Gazers [2] (1962)
- The Martian Star-Gazers [2] (1962) with Gaughan
- The Martian Star-Gazers [3] (1962)
- The Martian Star-Gazers [3] (1962) with Gaughan
- The Martian Star-Gazers [4] (1962)
- The Martian Star-Gazers [4] (1962) with Gaughan
- The Martian Star-Gazers [5] (1962)
- The Martian Star-Gazers [5] (1962) with Gaughan
- The Mazel Tov Revolution (1974)
- The Meaning of the Word (1973)
- The Merchant of Stratford (1979)
- The Merchants of Venus (1972)
- The Mightiest Machine (1965)
- The Mildews of Mars (1977)
- The Mind Behind the Eye (frontispiece) (1972)
- The Mind Monsters (1966)
- The Mind Net (frontispiece) (1974)
- The Minus Effect (1969)
- The Mirror of Wizardry (1968)
- The Mirror of Wizardry [2] (1968)
- The Misfit (1965)
- The Missing Pink Elephant Case (1983)
- The Missionaries (frontispiece) (1972)
- The Misspelled Magician (Part 2 of 2) (1970)
- The Modern Penitentiary (1966)
- The Modern Penitentiary (1966) with Gaughan
- The Modern Penitentiary [2] (1966)
- The Modern Penitentiary [2] (1966) with Gaughan
- The Moon Children (Part 1 of 3) (1971)
- The Moon Children (Part 1 of 3) [2] (1971)
- The Moon Children (Part 2 of 3) (1971)
- The Moon Children (Part 3 of 3) (1971)
- The Moon Moth (1965)
- The Moon of Gomrath (1968)
- The Napoleon Crime (1983)
- The Napoleon Crime [2] (1983)
- The Napoli Express (1979)
- The Napoli Express [2] (1979)
- The Napoli Express [3] (1979)
- The Napoli Express [4] (1979)
- The Noblest Experiment in the Galaxy (frontispiece) (1970)
- The Nuptial Flight of Warbirds (1978)
- The Off-Worlders (1966)
- The Old King's Answers (1973)
- The Old Switcheroo (1972)
- The Only War We've Got (1974)
- The Org's Egg (Part 2 of 3) (1974)
- The Org's Egg (Part 3 of 3) (1974)
- The Organleggers (1969)
- The Organleggers (1969) with Gaughan
- The Organleggers [2] (1969)
- The Organleggers [2] (1969) with Gaughan
- The Organleggers [3] (1969)
- The Organleggers [3] (1969) with Gaughan
- The Other Man (1956)
- The Other Man (1956) with Gaughan
- The Other Man [2] (1956)
- The Other Man [2] (1956) with Gaughan
- The Other Man [3] (1956)
- The Other Man [3] (1956) with Gaughan
- The Overlords of War (frontispiece) (1974)
- The Palace of Love (frontispiece) (1979)
- The Panorama Egg (frontispiece) (1978)
- The Paradise Game (frontispiece) (1974)
- The Paradox of the Sets (frontispiece) (1979)
- The Perfect Cop (1976)
- The Persistence of Memory (1974)
- The Persistence of Vision (1980)
- The Persistence of Vision [2] (1980)
- The Phylogenetic Factor (1971)
- The Pictures of Pavanne (frontispiece) (1968)
- The Planet of the Double Sun (frontispiece) (1967)
- The Planet That Couldn't Be (2017) with Gaughan
- The Planet That Couldn't Be [2] (2017) with Gaughan
- The Planet That Couldn't Be [3] (2017) with Gaughan
- The Player at Yellow Silence (1970)
- The Player at Yellow Silence [2] (1970)
- The Pnume (frontispiece) (1979)
- The Politics of Plenty (1981)
- The Politics of Ratticide (1975)
- The Prism (1968)
- The Pritcher Mass (frontispiece) (1973)
- The Probability Man (frontispiece) (1972)
- The Propheteer (1970)
- The Proxima Project (1968)
- The Proxy Intelligence (condensed) (1968)
- The Proxy Intelligence (condensed) (1968) with Gaughan
- The Psychotic InMate #2 (1968)
- The Puppies of Terra (1966)
- The Purpose of Life (1967)
- The Purpose of Life (1967) with Gaughan
- The Purpose of Life [2] (1967)
- The Purpose of Life [2] (1967) with Gaughan
- The Purpose of Life [3] (1967)
- The Purpose of Life [3] (1967) with Gaughan
- The Queen of Zamba (1977)
- The Quest (1979)
- The Quest [2] (1979)
- The Quillan Sector (frontispiece) (1978)
- The R-Master (frontispiece) (1975)
- The Radio Planet (1964)
- The Rani and the Peacock Feather (1949)
- The Realms of Tartarus (frontispiece) (1977)
- The Rebel of Rhada (frontispiece) (1969)
- The Reflected Men (1971)
- The Region Between (1970)
- The Region Between (1986) with Gaughan
- The Regulars (1981)
- The Repairmen of Cyclops (1965)
- The Return of the Cousins of the Dune Preacher's Mistress (1981)
- The Return of the King (1965)
- The Return of the King (cover) (2019)
- The Rithian Terror (1965)
- The Rival Rigelians (frontispiece) (1967)
- The Road to the Rim (1967)
- The Robots Are Here (1967)
- The Robots Are Here (1967) with Gaughan
- The Robots Are Here [2] (1967)
- The Robots Are Here [2] (1967) with Gaughan
- The Rock and the Pool (1976)
- The Rock and the Pool [2] (1976)
- The Rub (1970)
- The S.B. Notations (1971)
- The Samaritan Rule (1984)
- The Sampler (1980)
- The Sapiphage (1976)
- The Schwarzkind Singularity (1975)
- The Screwfly Solution (1979)
- The Second Book of Fritz Leiber (frontispiece) (1975)
- The Second Law (1979)
- The Second War of the Worlds (frontispiece) (1976)
- The Secret of Holm Peel and Other Strange Stories (1970)
- The Secret of Hyperborea (1981)
- The Selchey Kids (1968)
- The Selchey Kids (1968) with Gaughan
- The Seven Domains of Darkover in the Fortieth Year of the Regency of Darvan Hastur (map) (1975)
- The SFWA Bulletin, December 1967 (1967)
- The SFWA Bulletin, February 1970 (1970)
- The SFWA Bulletin, July 1970 (1970)
- The SFWA Bulletin, June 1969 (1969)
- The SFWA Bulletin, October 1967 (1967)
- The SFWA Bulletin, September-November 1970 (1970)
- The Shaker Revival (1970)
- The Sharks of Pentreath (1971)
- The Ship from Atlantis (frontispiece) (1967)
- The Ship Sails at Midnight (1964)
- The Ship That Sailed the Time Stream (1965)
- The Sign of the Goose (1965)
- The Six Fingers of Time (1960)
- The Six Fingers of Time (1960) with Gaughan
- The Sixth Face (1975)
- The Sixth Face [2] (1975)
- The Sleeper with Still Hands (1968)
- The Sleeper with Still Hands (1968) with Gaughan
- The Smallness Beyond Thought (1966)
- The Smallness Beyond Thought (1966) with Gaughan
- The Sneeze (1981)
- The Snowbank Orbit (1964)
- The Soft Weapon (1967)
- The Soft Weapon (1967) with Gaughan
- The Sons of Bingaloo (1973)
- The Soul Machine (1969)
- The South Waterford Rumple Club (1967)
- The South Waterford Rumple Club (1967) with Gaughan
- The Spa of the Stars (1966)
- The Spot of Life (1964)
- The Stainless Steel Rat's Return (1972)
- The Star Below (1968)
- The Star Below [2] (1968)
- The Star Magicians (1966)
- The Star Mill (frontispiece) (1966)
- The Star Road (frontispiece) (1974)
- The Star Show (1979)
- The Star Show [2] (1979)
- The Star Show [3] (1979)
- The Star Show [4] (1979)
- The Star Show [5] (1979)
- The Star Show [6] (1979)
- The Star Show [7] (1979)
- The Star Virus (1970)
- The Star- Pit [2] (1967)
- The Star- Pit [3] (1967)
- The Star-Crowned Kings (frontispiece) (1975)
- The Star-Pit (1967)
- The Star-Pit [2] (1967)
- The Star-Pit [3] (1967)
- The Star-Sent Knaves (1963)
- The Star-Sent Knaves (1963) with Gaughan
- The Star-Sent Knaves [2] (1963)
- The Star-Sent Knaves [2] (1963) with Gaughan
- The Stardroppers (frontispiece) (1972)
- The Stars My Destination (1970)
- The Stolen Sun (title page) (1967)
- The Stolen Sun and Tramontane (frontispiece) (1979)
- The Stone That Never Came Down (frontispiece) (1975)
- The Storms of Windhaven (1975)
- The Storms of Windhaven [2] (1975)
- The Story of the Future (1955)
- The Suicide Express (1966)
- The Suicide Express (1966) with Gaughan
- The Suicide Express [2] (1966)
- The Suicide Express [2] (1966) with Gaughan
- The Survivors (frontispiece) (1979)
- The Survivors (frontispiece) (1979)
- The Switcher (1971)
- The Sword of Lankor (frontispiece) (1966)
- The Swords of Lankhmar (title page) (1968)
- The Tactful Saboteur (1964)
- The Tactful Saboteur (1964) with Gaughan
- The Tactful Saboteur [2] (1964)
- The Tactful Saboteur [2] (1964) with Gaughan
- The Tactful Saboteur [3] (1964)
- The Tactful Saboteur [3] (1964) with Gaughan
- The Taste of Money (1968)
- The Taste of Money (1968) with Gaughan
- The Telzey Toy (frontispiece) (1973)
- The Tenth World (1966)
- The Terra Data (frontispiece) (1980)
- The Theft of the Mulberry Tree (1981)
- The Theft of the Mulberry Tree [2] (1981)
- The Thing in the Stone (1970)
- The Thing in the Stone [2] (1970)
- The Thing in the Stone [3] (1970)
- The Third Bubble (1965)
- The Tides of Time (1977)
- The Tides of Time [2] (1977)
- The Tie That Binds (1982)
- The Time Judge (1970)
- The Time Mercenaries (1968)
- The Tin Angel (frontispiece) (1973)
- The Tin Angel [1] (1973)
- The Tin Angel [2] (1973)
- The Tin Angel [3] (1973)
- The Tombs of Atuan (Complete Novel) (1970)
- The Tower of Glass (Part 1 of 3) (1970)
- The Tower of Glass (Part 1 of 3) [2] (1970)
- The Tower of Glass (Part 2 of 3) (1970)
- The Tower of Glass (Part 2 of 3) [2] (1970)
- The Tower of Glass (Part 2 of 3) [3] (1970)
- The Tower of Glass (Part 3 of 3) (1970)
- The Tower of Glass (Part 3 of 3) [2] (1970)
- The Tower of Glass (Part 3 of 3) [3] (1970)
- The Tower of Glass (Part 3 of 3) [4] (1970)
- The Tower of Glass (Part 3 of 3) [5] (1970)
- The Towns Must Roll (Part 1 of 2) (1969)
- The Towns Must Roll (Part 1 of 2) (1969) with Gaughan
- The Towns Must Roll (Part 2 of 2) (1969)
- The Towns Must Roll (Part 2 of 2) (1969) with Gaughan
- The Transcendent Tigers (1964)
- The Transcendent Tigers (1964) with Gaughan
- The Tree Lord of Imeten (1966)
- The Twilight of Briareus (frontispiece) (1975)
- The Twist (1974)
- The Two Towers (1965)
- The Two Towers (cover) (2019)
- The Ultimate Weapon (1966)
- The Uncommunicative Venusians (1967)
- The Uncommunicative Venusians (1967) with Gaughan
- The Uncommunicative Venusians [2] (1967)
- The Uncommunicative Venusians [2] (1967) with Gaughan
- The Universe Against Her (1964)
- The Universe Maker (frontispiece) (1967)
- The Unsleeping Eye (frontispiece) (1974)
- The Unspeakable McInch (1966)
- The Unteleported Man (1966)
- The Villains From Vega IV (1968)
- The Villains From Vega IV (1968) with Gaughan
- The Villains From Vega IV [2] (1968)
- The Villains From Vega IV [2] (1968) with Gaughan
- The Villains from Vega IV [3] (1968)
- The Villains From Vega IV [3] (1968) with Gaughan
- The Wagered World (1969)
- The Wandering Variables (frontispiece) (1972)
- The War Machine (1972)
- The Warriors of Dawn (frontispiece) (1975)
- The Warriors of Light (1965)
- The Warriors of Light (1965) with Gaughan
- The Warriors of Light [2] (1965)
- The Warriors of Light [2] (1965) with Gaughan
- The Watchers in the Glade (1964)
- The Watchers in the Glade [2] (1964)
- The Water of Thought (1965)
- The Way Back (frontispiece) (1978)
- The Weather on Mars (1974)
- The Well of the Worlds (1965)
- The Well-Trained Heroes (1964)
- The Well-Trained Heroes (1964) with Gaughan
- The Well-Trained Heroes [2] (1964)
- The Well-Trained Heroes [2] (1964) with Gaughan
- The What March? (1982)
- The What March? [2] (1982)
- The Whenabouts of Burr (frontispiece) (1975)
- The White King's War (1969)
- The Wildings of Westron (map) (1977)
- The Wind from the Seven Suns (1981)
- The Winds of Gath (frontispiece) (1967)
- The Wizard of Anharitte (Part 1 of 3) (1972)
- The Wizard of Anharitte (Part 3 of 3) (1973)
- The World and Thorinn (1968)
- The World and Thorinn (1968) with Gaughan
- The World and Thorinn [2] (1968)
- The World and Thorinn [2] (1968) with Gaughan
- The World and Thorinn [3] (1968)
- The World and Thorinn [3] (1968) with Gaughan
- The World and Thorinn [4] (1968)
- The World and Thorinn [4] (1968) with Gaughan
- The World Asunder (frontispiece) (1976)
- The World Between (1965)
- The World in Which I Disappeared (1968)
- The World Must Never Know (1965)
- The World That Couldn't Be (1958)
- The World That Couldn't Be (1958) with Gaughan
- The World That Couldn't Be [2] (1958)
- The World That Couldn't Be [2] (1958) with Gaughan
- The World That Couldn't Be [3] (1958)
- The World That Couldn't Be [3] (1958) with Gaughan
- The Worlds of Poul Anderson (frontispiece) (1978)
- The Worlds of Robert A. Heinlein (frontispiece) (1966)
- The Worlds of Theodore Sturgeon (frontispiece) (1972)
- The Wrecks of Time (1967)
- The Wrecks of Time (frontispiece) (1967)
- The Wrong End of Time (frontispiece) (1973)
- The X Factor (1965)
- The X Factor (title page) (1967)
- The Year of the Good Seed (1969)
- The Year's Best Fantasy Stories: 3 (frontispiece) (1977)
- The Year's Best Horror Stories: Series II (frontispiece) (1974)
- The Years (1972)
- The Youth Monopoly (1968)
- Then and Now (1977)
- Then and Now [2] (1977)
- These Savage Futurians (1967)
- They Still Jump (1967)
- This is My Country (1971)
- This One (1970)
- Thou Spark of Blood (1970)
- Thou Spark of Blood (1970) with Gaughan
- Three Against the Witch World (1965)
- Three Worlds of Futurity (1964)
- Time and Again (cover) (2021)
- Time and Again (title page) (1963)
- Time and Duckworth (1974)
- Time of the Cetis (1973)
- Time of the Sending (1971)
- Time Story (frontispiece) (1973)
- Time to Live (1966)
- Timeserver (1970)
- Tinkerboy (1974)
- To Be or Knot To Be (1975)
- To Bell the Cat (1977)
- To Conquer Chaos (frontispiece) (1981)
- To Fill the Sea and Air (1979)
- To Fit the Crime (1971)
- To Jorslem (1969)
- To Jorslem (1969) with Gaughan
- To Jorslem [2] (1969)
- To Jorslem [2] (1969) with Gaughan
- To Jorslem [3] (1969)
- To Jorslem [3] (1969) with Gaughan
- To Keep the Ship (frontispiece) (1978)
- To Outlive Eternity (Part 1 of 2) (1967)
- To Outlive Eternity (Part 1 of 2) (1967) with Gaughan
- To Outlive Eternity (Part 1 of 2) [2] (1967)
- To Outlive Eternity (Part 1 of 2) [2] (1967) with Gaughan
- To Outlive Eternity (Part 1 of 2) [3] (1967)
- To Outlive Eternity (Part 1 of 2) [3] (1967) with Gaughan
- To Outlive Eternity (Part 2 of 2) (1967)
- To Outlive Eternity (Part 2 of 2) (1967) with Gaughan
- To Outlive Eternity (Part 2 of 2) [2] (1967)
- To Outlive Eternity (Part 2 of 2) [2] (1967) with Gaughan
- To Outlive Eternity (Part 2 of 2) [3] (1967)
- To Outlive Eternity (Part 2 of 2) [3] (1967) with Gaughan
- To Outlive Eternity (Part 2 of 2) [4] (1967)
- To Outlive Eternity (Part 2 of 2) [4] (1967) with Gaughan
- To Seek Another (1971)
- To Serve the Masters (1967)
- To Serve the Masters (1967) with Gaughan
- To Venus! To Venus! (frontispiece) (1970)
- Tomorrow Cum Laude (1969)
- Tomorrow Cum Laude [2] (1969)
- Tomorrow Cum Laude [3] (1969)
- Tomorrow Cum Laude [4] (1969)
- Tomorrow Knight (frontispiece) (1976)
- Tonight We Steal the Stars (1969)
- Too Many Esks (1966)
- Too Many Esks (1966) with Gaughan
- Too Many Esks [2] (1966)
- Too Many Esks [2] (1966) with Gaughan
- Too Many Esks [3] (1966)
- Too Many Esks [3] (1966) with Gaughan
- Too Much at Steak (1978)
- Too Soon We Grow Old (1978)
- Total Eclipse (frontispiece) (1975)
- Total Environment (1968)
- Total Environment (1968) with Gaughan
- Total Environment [2] (1968)
- Total Environment [2] (1968) with Gaughan
- Total Environment [3] (1968)
- Total Environment [3] (1968) with Gaughan
- Total Environment [4] (1968)
- Total Environment [4] (1968) with Gaughan
- Total Environment [5] (1968)
- Total Environment [5] (1968) with Gaughan
- Toward the Fullness of Fate (1976)
- Toward the Fullness of Fate (1976) with uncredited
- Toward the Fullness of Fate [2] (1976)
- Toward the Fullness of Fate [2] (1976) with uncredited
- Toward the Fullness of Fate [3] (1976)
- Toward the Fullness of Fate [3] (1976) with uncredited
- Tower of the Medusa (frontispiece) (1969)
- Toyman (frontispiece) (1969)
- Trafic d'esclaves [French] (1957)
- Trafic d'esclaves [2] [French] (1957)
- Trafic d'esclaves [3] [French] (1957)
- Tramontane (title page) (1967)
- Transplant (1974)
- Traps (1970)
- Trees Like Torches (1966)
- Trees Like Torches (1966) with Gaughan
- Trees Like Torches [2] (1966)
- Trees Like Torches [2] (1966) with Gaughan
- Trial by Fire (1969)
- Trial by Fire (1969) with Gaughan
- Trick or Treaty (1965)
- Trick or Treaty (1965) with Gaughan
- Triggerman (1973)
- Triple Detente (frontispiece) (1974)
- Trouble with G.O.D. (1972)
- Truce or Consequences (1966)
- Truce or Consequences (1966) with Gaughan
- True Names (1981)
- True School of Modesty (1972)
- Truth to Tell (1974)
- Trêve au poing [French] (1973)
- Trêve au poing [2] [French] (1973)
- Tube (1974)
- Turning On (1967)
- Twenty-Seven Inches of Moonshine (1966)
- Twenty-Seven Inches of Moonshine (1966) with Gaughan
- Twenty-Seven Inches of Moonshine [2] (1966)
- Twenty-Seven Inches of Moonshine [2] (1966) with Gaughan
- Twenty-Seven Inches of Moonshine [3] (1966)
- Twenty-Seven Inches of Moonshine [3] (1966) with Gaughan
- Twenty-Seven Inches of Moonshine [4] (1966)
- Twenty-Seven Inches of Moonshine [4] (1966) with Gaughan
- Twenty-Seven Inches of Moonshine [5] (1966)
- Twenty-Seven Inches of Moonshine [5] (1966) with Gaughan
- Two Suns for the King (1972)
- Ultimatum in 2050 A.D. (1965)
- Un cimetière sur toute la Terre [French] (1966)
- Un spectre hante le Texas (Part 1 of 4) [French] (1971)
- Un spectre hante le Texas (Part 2 of 4) [French] (1971)
- Un spectre hante le Texas (Part 3 of 4) [French] (1971)
- Un spectre hante le Texas (Part 4 of 4) [French] (1972)
- Un tour au paradis [French] (1958)
- Una morte onorevole [Italian] (1963) with Gaughan
- Uncharted Stars (frontispiece) (1970)
- Under the Hammer (1974)
- Under the Hammer (1986)
- Une chasse dangereuse [French] (1958)
- Une chasse dangereuse [2] [French] (1958)
- Une chasse dangereuse [3] [French] (1958)
- Unfaithful Recording (1975)
- Unicorn Variation (1981)
- Unicorn Variation [2] (1981)
- Unseen Warriors (1970)
- Unseen Warriors [2] (1970)
- Unseen Warriors [3] (1970)
- Uomini e draghi [Italian] (1963)
- Up-Top Summer (1979)
- Upon This Shoal of Time (1985)
- Uranus (1967)
- Utopia Minus X (1966)
- Valentina (1984)
- Valentina [2] (1984)
- Velvet Fields (1973)
- Victims of Time (1968)
- Victory on Janus (1968)
- View from a Height (1980)
- Volkhavaar (1977)
- Waiting for the Morning Bird (1981)
- Walker Between the Planes (1970)
- Walker Between the Planes [2] (1970)
- Wanderers and Travellers (1967)
- War of the Wastelife (1974)
- Warlock of the Witch World (1967)
- Warlord's World (frontispiece) (1975)
- Waterclap (1970)
- Waves (1974)
- Waves (frontispiece) (1980)
- We, the Venusians (1965)
- Web of the Witch World (1964)
- Web of the Witch World (map) (1964)
- Weird Tales, Spring 1999 (cover) (1999)
- Whalekiller Grey (1973)
- Whalekiller Grey [2] (1973)
- What Gave All Those Mammoths Cold Feet? (1983)
- What Strange Stars and Skies (1965)
- What You Know (1971)
- What's Become of Screwloose? And Other Inquiries (frontispiece) (1970)
- What's Wrong with this Picture? (1980)
- What's Wrong with this Picture? [2] (1980)
- What's Wrong with this Picture? [3] (1980)
- Whatever Became of the McGowans? (1970)
- When I Was In Your Mind (1972)
- When the Old Man Waves the Banner (1981)
- When the Sleeper Wakes (frontispiece) (1972)
- When the Star Kings Die (frontispiece) (1967)
- When They Openly Walk (1969)
- When We Come Down (1978)
- Where Are the Worlds of Yesteryear? (1967)
- Where Are the Worlds of Yesteryear? (1967) with Gaughan
- Where Did Sindbad Sail? (1983)
- Where the Changed Ones Go (1966)
- Where the Changed Ones Go (1966) with Gaughan
- Where the Changed Ones Go [2] (1966)
- Where the Changed Ones Go [2] (1966) with Gaughan
- Where the Changed Ones Go [3] (1966)
- Where the Changed Ones Go [3] (1966) with Gaughan
- Where the Changed Ones Go [4] (1966)
- Where the Changed Ones Go [4] (1966) with Gaughan
- Whipping Star (Part 1 of 4) (1970)
- Whipping Star (Part 1 of 4) [2] (1970)
- Whipping Star (Part 1 of 4) [3] (1970)
- Whipping Star (Part 1 of 4) [4] (1970)
- Whipping Star (Part 2 of 4) (1970)
- Whipping Star (Part 3 of 4) (1970)
- Whipping Star (Part 3 of 4) [2] (1970)
- Whipping Star (Part 3 of 4) [3] (1970)
- Whipping Star (Part 4 of 4) (1970)
- White Fang Goes Dingo (1965)
- White Fang Goes Dingo (1965) with Gaughan
- Who Fired the Phoenix? (1981)
- Who Fired the Phoenix? [2] (1981)
- Who Is Human? (1966)
- Who Is Human? (1966) with Gaughan
- Who Makes the Mandrakes? (1982)
- Who Makes the Mandrakes? [2] (1982)
- Whom the Gods Love (1972)
- Whores (1980)
- Whose Brother Is My Sister? (1967)
- Whose Brother Is My Sister? (1967) with Gaughan
- Whose Brother Is My Sister? [2] (1967)
- Whose Brother Is My Sister? [2] (1967) with Gaughan
- Wildeblood's Empire (frontispiece) (1977)
- Wind Music (1976)
- Wind Music [2] (1976)
- Witch Children (1974)
- Witch World (map) (1963)
- Witch World (map) (1978)
- Witch World (map) (2001)
- Witch World (title page) (1963)
- Witchcraft for Beginners (1967)
- With Morning Comes Mistfall (1973)
- World Abounding (1973)
- World of Promise (frontispiece) (1980)
- World of Ptavvs (1965)
- World of Ptavvs (1965) with Gaughan
- World of Ptavvs [2] (1965)
- World of Ptavvs [2] (1965) with Gaughan
- World of Ptavvs [3] (1965)
- World of Ptavvs [3] (1965) with Gaughan
- World of Ptavvs [4] (1965)
- World of Ptavvs [4] (1965) with Gaughan
- World of Ptavvs [5] (1965)
- World of Ptavvs [5] (1965) with Gaughan
- World of Ptavvs [6] (1965)
- World of Ptavvs [6] (1965) with Gaughan
- World of Ptavvs [7] (1965)
- World of Ptavvs [7] (1965) with Gaughan
- World of Ptavvs [8] (1965)
- World of Ptavvs [8] (1965) with Gaughan
- World of Ptavvs [9] (1965)
- World of Ptavvs [9] (1965) with Gaughan
- World of the Sleeper (frontispiece) (1967)
- World Without Stars (1967)
- World's Best Science Fiction: 1965 (1965)
- World's Best Science Fiction: 1967 (1967)
- World's Best Science Fiction: 1968 (1968)
- World's Best Science Fiction: 1969 (1969)
- World's Best Science Fiction: 1970 (1970)
- World's Best Science Fiction: 1971 (1970)
- Worlds for the Taking (1966)
- Worlds of Fantasy, Winter 1970 (1970)
- Worlds of Tomorrow, Winter 1970 (cover) (1999)
- Worlds to Kill (1968)
- Wyst: Alastor 1716 (frontispiece) (1978)
- Ye Prentice and Ye Dragon (1975)
- Year 3 of the Shark (1973)
- Year of the Unicorn (1965)
- Year of the Unicorn (frontispiece) (1965)
- Year of the Unicorn (title page) (1965)
- You Can't Go Back (1981)
- You Go (1956)
- You Go (1956) with Gaughan
- You're All Alone (frontispiece) (1972)
- Ysolde (1968)
- Yurth Burden (1978)
- Z-Sting (frontispiece) (1978)
- Zenya (frontispiece) (1974)
- Zon (1970)
- Zon [French] (1971)
- Zon [2] [French] (1971)
- Zon [3] [French] (1971)
- Zon [4] [French] (1971)
- Zon [5] [French] (1971)
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Кто там, в толще скал??Kto tam, v tolshche skal?[Russian] (2015)
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Кто там, в толще скал??Kto tam, v tolshche skal?[Russian] (2015) withД. Гоэн?D. Goen