ISFDB
on this Web page
| Other views: | Summary Awards Chronological |
Novels
- Believers' World (1961)
- Believers' World (1961) with Robert W. Lowndes
- Der kopierte Mann [German] (1982) with James Blish and Robert Lowndes
- La cintura degli asteroidi [Italian] (1961) with Robert W. Lowndes
- Mystery of the Third Mine (1953)
- Mystery of the Third Mine (1953) with Robert W. Lowndes
- O Homem Duplicado [Portuguese] (2000) with James Blish and Robert Lowndes
- Planet der Erleuchteten [German] (1963) with Robert Lowndes
- The Duplicated Man (1953) with James Blish
- The Duplicated Man (1959) with James Blish and Robert Lowndes
-
宇宙鉱山の秘密?Uchū kōzan no himitsu[Japanese] (1956) withローンズ?Rōnzu
- Science Fiction by Robert W. Lowndes (2013)
- Science Fiction by Robert W. Lowndes (2013) with Robert W. Lowndes
- The Puzzle Planet / The Angry Espers (1961) [O/2N] with Lloyd Biggle, Jr.
- The Duplicated Man (Complete Novel) (1953) with James Blish and Michael Sherman
- Bizarre Fantasy Tales, Fall 1970 (1970)
- Bizarre Fantasy Tales, March 1971 (1971)
- Dynamic Science Fiction - 1952 (1952)
- Dynamic Science Fiction - 1952 (1952) with Robert W. Lowndes
- Dynamic Science Fiction - 1953 (1953)
- Dynamic Science Fiction - 1953 (1953) with Robert W. Lowndes
- Dynamic Science Fiction, January 1954 (1954)
- Dynamic Science Fiction, January 1954 (1954) with Robert W. Lowndes
- Famous Science Fiction - 1966 (1966)
- Famous Science Fiction - 1967 (1967)
- Famous Science Fiction - 1968 (1968)
- Famous Science Fiction - 1969 (1969)
- Future Combined with Science Fiction - 1941 (1941)
- Future Combined with Science Fiction - 1941 (1941) with uncredited
- Future Combined with Science Fiction - 1942 (1942) with Robert W. Lowndes
- Future Combined with Science Fiction - 1942 (1942)
- Future Combined with Science Fiction Stories - 1950 (1950)
- Future Combined with Science Fiction Stories - 1950 (1950) with Robert W. Lowndes
- Future Combined with Science Fiction Stories - 1951 (1951)
- Future Combined with Science Fiction Stories - 1951 (1951) with Robert W. Lowndes
- Future combined with Science Fiction Stories No. 4 (1952)
- Future Combined with Science Fiction Stories No. 4 (1952) with Robert W. Lowndes
- Future Fantasy and Science Fiction - 1942 (1942)
- Future Fantasy and Science Fiction - 1942 (1942) with Robert W. Lowndes
- Future Fantasy and Science Fiction - 1943 (1943)
- Future Fantasy and Science Fiction - 1943 (1943) with Robert W. Lowndes
- Future Fiction - 1941 (1941)
- Future Fiction - 1941 (1941) with uncredited
- Future Science Fiction - 1952 (1952)
- Future Science Fiction - 1952 (1952) with Robert W. Lowndes
- Future Science Fiction - 1953 (1953)
- Future Science Fiction - 1953 (1953) with Robert W. Lowndes
- Future Science Fiction - 1954 (1954)
- Future Science Fiction - 1955 (1955)
- Future Science Fiction - 1955 (1955) with Robert W. Lowndes
- Future Science Fiction - 1956 (1956)
- Future Science Fiction - 1956 (1956) with Robert W. Lowndes
- Future Science Fiction - 1957 (1957)
- Future Science Fiction - 1958 (1958)
- Future Science Fiction - 1959 (1959)
- Future Science Fiction - 1960 (1960)
- Future Science Fiction No. 8 (1959)
- Future Science Fiction Stories - 1952 (1952)
- Future Science Fiction Stories - 1952 (1952) with Robert W. Lowndes
- Future Science Fiction Stories [UK] - 1952 (1952)
- Future Science Fiction Stories [UK] - 1952 (1952) with Robert W. Lowndes
- Future Science Fiction Stories [UK] - 1953 (1953)
- Future Science Fiction Stories [UK] - 1953 (1953) with Robert W. Lowndes
- Magazine of Horror - 1963 (1963)
- Magazine of Horror - 1964 (1964)
- Magazine of Horror - 1965 (1965)
- Magazine of Horror - 1966 (1966)
- Magazine of Horror - 1967 (1967)
- Magazine of Horror - 1968 (1968)
- Magazine of Horror - 1969 (1969)
- Magazine of Horror - 1970 (1970)
- Magazine of Horror - 1971 (1971)
- Science Fiction - 1941 (1941)
- Science Fiction - 1941 (1941) with Robert W. Lowndes
- Science Fiction Quarterly (UK) - 1952 (1952)
- Science Fiction Quarterly (UK) - 1952 (1952) with Robert W. Lowndes
- Science Fiction Quarterly (UK) - 1953 (1953)
- Science Fiction Quarterly (UK) - 1953 (1953) with Robert W. Lowndes
- Science Fiction Quarterly (UK) - 1954 (1954)
- Science Fiction Quarterly (UK) - 1954 (1954) with Robert W. Lowndes
- Science Fiction Quarterly (UK), #10 1955 (1955)
- Science Fiction Quarterly (UK), #10 1955 (1955) with Robert W. Lowndes
- Science Fiction Quarterly (UK), #9 1955 (1955) with Robert W. Lowndes
- Science Fiction Quarterly - 1941 (1941)
- Science Fiction Quarterly - 1942 (1942)
- Science Fiction Quarterly - 1942 (1942) with R. W. Lowndes
- Science Fiction Quarterly - 1942 (1942) with Robert W. Lowndes
- Science Fiction Quarterly - 1943 (1943)
- Science Fiction Quarterly - 1943 (1943) with Robert W. Lowndes
- Science Fiction Quarterly - 1951 (1951)
- Science Fiction Quarterly - 1952 (1952)
- Science Fiction Quarterly - 1953 (1953)
- Science Fiction Quarterly - 1954 (1954)
- Science Fiction Quarterly - 1955 (1955)
- Science Fiction Quarterly - 1956 (1956)
- Science Fiction Quarterly - 1957 (1957)
- Science Fiction Quarterly - 1958 (1958)
- Science Fiction Stories - 1943 (1943) with Robert W. Lowndes
- Science Fiction Stories - 1943 (1943)
- Science Fiction Stories - 1953 (1953)
- Science Fiction Stories - 1953 (1953) with Robert W. Lowndes
- Science Fiction Stories - 1954 (1954)
- Science Fiction Stories - 1954 (1954) with Robert W. Lowndes
- Science Fiction Stories - 1955 (1955)
- Science Fiction Stories - 1955 (1955) with Robert W. Lowndes
- Science Fiction Stories - 1956 (1956)
- Science Fiction Stories - 1956 (1956) with Robert W. Lowndes
- Science Fiction Stories - 1957 (1957)
- Science Fiction Stories - 1957 (1957) with Robert W. Lowndes
- Science Fiction Stories - 1958 (1958)
- Science Fiction Stories - 1959 (1959)
- Science Fiction Stories - 1960 (1960)
- Science Fiction Stories [UK] - 1957 (1957)
- Science Fiction Stories [UK] - 1958 (1958)
- Science Fiction Stories [UK] - 1959 (1959)
- Startling Mystery Stories - 1966 (1966)
- Startling Mystery Stories - 1967 (1967)
- Startling Mystery Stories - 1968 (1968)
- Startling Mystery Stories - 1969 (1969)
- Startling Mystery Stories - 1970 (1970)
- Startling Mystery Stories - 1971 (1971)
- Weird Terror Tales - 1969 (1969)
- Weird Terror Tales - 1970 (1970)
- Bizarre Fantasy Tales #1, Fall 1970 (unknown)
- Bizarre Fantasy Tales #2, March 1971 (unknown)
- Famous Science Fiction #3 (unknown)
- Famous Science Fiction #4 (unknown)
- Famous Science Fiction, Fall 1968 (unknown)
- Famous Science Fiction, Summer 1968 (unknown)
- Famous Science Fiction, Winter 1966/1967 (unknown)
- Magazine of Horror, April 1971 (unknown)
- Magazine of Horror, Fall 1967 (unknown)
- Magazine of Horror, November 1967 (2019)
- Magazine of Horror, September 1968 (2020)
- Magazine of Horror, Spring 1967 (unknown)
- Magazine of Horror, Summer 1966 (2020)
- Science Fiction Quarterly, Fall 1942 (2019)
- Science Fiction Quarterly, Spring 1941 (unknown)
- Science Fiction Quarterly, Spring 1942 (2019)
- Science Fiction Quarterly, Summer 1941 (unknown)
- Science Fiction Quarterly, Summer 1942 (unknown)
- Science Fiction Quarterly, Winter 1941-1942 (unknown)
- Science Fiction Stories, July 1943 (2019)
- Science Fiction Stories, May 1957 (2013)
- Science Fiction Stories, May 1957 (2013) with Robert W. Lowndes
- Startling Mystery Stories, Fall 1970 (unknown)
- Startling Mystery Stories, March 1971 (unknown)
- Startling Mystery Stories, Summer 1970 (unknown)
- Startling Mystery Stories, Winter 1968-1969 (unknown)
- Startling Mystery Stories, Winter 1969 (unknown)
- Weird Terror Tales #1, Winter 1969/70 (unknown)
- Weird Terror Tales #2, Summer 1970 (unknown)
- Weird Terror Tales #3, Fall 1970 (unknown)
- A Green Cloud Came (2021)
- A Green Cloud Came (2021) with Robert W. Lowndes
-
Das Rätsel Carolus?Das Raetsel Carolus[German] (1962)
- Einstein's Planetoid (2022) with C. M. Kornbluth and Frederik Pohl
- Einstein's Planetoid (2022) with Paul Dennis Lavond
- The Fourth Invasion (2007)
- The Fourth Invasion (2007) with Henry Josephs
- The Puzzle Planet (2013)
- The Troubadour (2007)
- The Troubadour (2007) with Peter Michael Sherman
- Bok (1974) with Calvin Thomas Beck and Hannes Bok and Jack Cordes and Gerry de la Ree and Ben P. Indick
- Bok (1974) with Calvin T. Beck and Hannes Bok and Jack Cordes and Gerry de la Ree and Ben Indick
- Orchids for Doc: The Literary Adventures and Autobiography of Robert A. W. "Doc" Lowndes (unpublished) with Jeffrey M. Elliot
- The Gernsback Days (2004) with Mike Ashley
- Three Faces of Science Fiction (1973)
- ... Does Not Imply ... (1943)
- ... Does Not Imply ... (1943) with Wilfred Owen Morley
- A Green Cloud Came (1941)
- A Green Cloud Came (1941) with Robert W. Lowndes
- A Legend of Lanth (1938)
- A Legend of Lanth (1938) with Robert W. Lowndes
- A Matter of Faith (1952)
- A Matter of Faith (1952) with Michael Sherman
- A Matter of Philosophy (1941)
- A Matter of Philosophy (1941) with Wilfred Owen Morley
- A Message for Jean (1942)
- A Message for Jean (1942) with Wilfred Owen Morley
- And Satan Came (1940)
- Black Flames (1941) with Donald A. Wollheim
- Black Flames (1941) with Lawrence Woods
- Blacklist (1942)
- Blacklist (1942) with Robert W. Lowndes
- C'est demain l'invasion [French] (1959) with Henry Josephs
- Castle on Outerplanet (1941) with S. D. Gottesman
- Chaos, Co-Ordinated (1946) with James Blish
- Chaos, Co-Ordinated (1946) with John MacDougal
- Clarissa (1963)
- Clarissa [Spanish] (1968)
-
Das Rätsel Carolus?Das Raetsel Carolus[German] (1962)
- Daughter of Moonlight (1939)
- Daughter of Moonlight (1939) with Robert W. Lowndes
- Dhactwhu! - Remember? (1949) with Forrest J. Ackerman
- Dhactwhu! - Remember? (1949) with Jacques DeForest Erman and Wilfred Owen Morley
- Einstein's Planetoid (1942) with C. M. Kornbluth and Frederik Pohl
- Einstein's Planetoid (1942) with Paul Dennis Lavond
- Exiles of New Planet (1941) with C. M. Kornbluth and Frederik Pohl
- Exiles of New Planet (1941) with Paul Dennis Lavond
- Highway (1942)
- Highway (1942) with Wilfred Owen Morley
- Highway (1951) with Robert W. Lowndes
- Intervention (1952)
- Intervention (1952) with Michael Sherman
- Intervention (1952) with Robert W. Lowndes
- L'abisso [Italian] (1979)
- L'abisso [Italian] (2010) with Robert W. Lowndes
- Leapers (1942)
- Letter (Wonder Stories, September 1935): Report of the Plutonian Ambassador (1935)
- Letter (Wonder Stories, September 1935): Report of the Plutonian Ambassador (1935) with Sir Doc Lowndes
- Lilies (1967)
- Lure of the Lily (1942)
- Lure of the Lily (1942) with Robert W. Lowndes
- Mataiya (1941)
- Mataiya (1941) with R. W. Lowndes
- My Lady of the Emerald (1941)
- My Lady of the Emerald (1941) with Wilfred Owen Morley
- No Star Shall Fall (1941)
- No Star Shall Fall (1941) with Wilfred Owen Morley
- No Star Shall Fall (1941) with Robert W. Lowndes
- Object Lesson (1958)
- Object Lesson (1958) with Carl Groener
- Passage to Sharanee (1942)
- Passage to Sharanee (1942) with Carol Grey
- Quarry (1941)
- Quarry (1941) with Mallory Kent
- Settler's Wall (1968)
- Settlers Mauer [German] (2018)
- Something from Beyond (1941) with Frederik Pohl and Dirk Wylie
- Something from Beyond (1941) with Paul Dennis Lavond
- Star of the Undead (1948) with Frederik Pohl and Dirk Wylie
- Star of the Undead (1948) with Paul Dennis Lavond
- The Abyss (1941)
- The Abyss (1941) with Robert W. Lowndes
- The Castle on Outerplanet (1941) with C. M. Kornbluth and Frederik Pohl
- The Castle on Outerplanet (1941) with S. D. Gottesman
- The Collector (1942)
- The Collector (1942) with Mallory Kent
- The Colossus of Maia (1941) with Donald A. Wollheim
- The Colossus of Maia (1941) with Lawrence Woods
- The Colossus of Maia (1941) with Robert W. Lowndes and Donald A. Wollheim
- The Colossus of Maia (1988) with Donald A. Wollheim
- The Deliverers (1942)
- The Deliverers (1942) with Richard Morrison
- The Doll Master (1941)
- The Doll Master (1941) with Paul Dennis Lavond
- The Extrapolated Dimwit (1942) with C. M. Kornbluth and Frederik Pohl
- The Extrapolated Dimwit (1942) with C. M. Kornbluth and Frederik Pohl
- The Extrapolated Dimwit (1942) with S. D. Gottesman
- The Fourth Invasion (1956)
- The Fourth Invasion (1956) with Henry Josephs
- The Fourth Invasion (1956) with Robert W. Lowndes
- The Grey One (1941)
- The Grey One (1941) with Robert W. Lowndes
- The Inheritors (1942) with John B. Michel
- The Inheritors (1942) with Robert W. Lowndes and John B. Michel
- The Inheritors (1949) with Robert Lowndes and John Michel
- The Leapers (1942) with Carol Grey
- The Lemmings (1942)
- The Lemmings (1942) with Wilfred Owen Morley
- The Long Wall (1942)
- The Long Wall (1942) with Wilfred Owen Morley
- The Mantle of Graag (1941) with Frederik Pohl and Dirk Wylie
- The Mantle of Graag (1941) with Paul Dennis Lavond
- The Mantle of Graag (1996) with Henry Dockweiller and Frederick Pohl
- The Martians Are Coming (1941) with C. M. Kornbluth and Donald A. Wollheim
- The Martians Are Coming (1941) with Robert W. Lowndes
- The Martians Are Coming (2013) with C. M. Kornbluth and Robert W. Lowndes and Donald A. Wollheim
- The Other (1941)
- The Other (1941) with Robert W. Lowndes
- The Peacemakers (1942)
- The Peacemakers (1942) with Mallory Kent
- The Puzzle Planet (1961)
- The Road to Nowhere (1970)
- The Slim People (1942)
- The Slim People (1942) with Wilfred Owen Morley
- The Strange Sad Story of Joe (1941)
- The Strange Sad Story of Joe (1941) with Robert W. Lowndes
- The Thing in the Pit (1940)
- The Thing in the Pit (1940) with Paul Dennis Lavond
- The Thought Monsters (1941) with Donald A. Wollheim
- The Troubadour (1951)
- The Troubadour (1951) with Peter Michael Sherman
- The Troubadour (2013) with Robert W. Lowndes
- "The People of the Pit" (1941)
- "The People of the Pit" (1941) with Robert W. Lowndes
- Ambition (1941)
- Ambition (1941) with Wilfred Owen Morley
- Ambition (1941) with Robert W. Lowndes
- Baltimore, October 3rd (1969)
- Derelict (1935)
- Derelict (1935) with Robert W. Lowndes
- Fateful Hour (1937)
- Fateful Hour (1937) with Robert W. Lowndes
- For A. Merritt: "The Face in the Abyss" (1940)
- For A. Merritt: "The Face in the Abyss" (1940) with Robert W. Lowndes
- For Howard Phillips Lovecraft (1941)
- For Howard Phillips Lovecraft (1941) with Robert W. Lowndes
- For the Intelligentsia (1942)
- For the Intelligentsia (1942) with R. W. Lowndes
- Forbidden Books (1941)
- Forbidden Books (1941) with Wilfred Owen Morley
- Liberation (1980)
- Lurani (1940)
- Lurani (1940) with Paul Dennis Lavond
- Nyaghoggua (1941)
- Nyaghoggua (1941) with Robert W. Lowndes
- Parodies Tossed: Damon Knight's "Hells Pavement" (1956)
- Parodies Tossed: Damon Knight's "Hells Pavement" (1956) with Michael Sherman
- Quarry (1941)
- Quarry (1941) with Robert W. Lowndes
- Song of Nimir (1940)
- Song of Nimir (1940) with Robert W. Lowndes
- The Burowers Beneath (1941)
- The Burrowers Beneath (1941)
- The Burrowers Beneath (1941) with Wilfred Owen Morley
- The Council (1945)
- The Council (1945) with Robert W. Lowndes
- The Courier (1980)
- The Crawler (1945)
- The Crawler (1969) with Robert W. Lowndes
- The Guardian (1980)
- The House (1945)
- The House (1945) with Robert W. Lowndes
- The Poet (1991)
- The Street (1945)
- The Street (1945) with Robert W. Lowndes
- The Summons (1981)
- The Viola (1981)
- The Whisperer (1945)
- The Wind from the River (1941)
- The Wind from the River (1941) with Richard Morrison
- The Worshippers (1980)
- To Edgar Allan Poe (1940)
- To Edgar Allan Poe (1940) with Robert Lowndes
- Woman of Ice (1940)
- Woman of Ice (1940) with Robert W. Lowndes
- A Eulogy for the Dying Science-Fiction Magazines (1973)
- A Tribute to Lovecraft (1937)
- A Tribute to Lovecraft (1937) with Robert W. Lowndes
- A Visit to the Ivory Tower (1940)
- A Visit to the Ivory Tower (1940) with Wilfred Owen Morley
- Afterword (The Best of Thomas N. Scortia) (1981)
- Afterword: Science Fiction in 1972 (1973)
- As I Was Saying ... (Science Fiction Quarterly, August 1951) (1951)
- As I Was Saying ... (Science Fiction Quarterly, August 1951) (1951) with Robert W. Lowndes
- As I Was Saying ... (Science Fiction Quarterly, February 1952) (1952)
- As I Was Saying ... (Science Fiction Quarterly, February 1952) (1952) with Robert W. Lowndes
- As I Was Saying ... (Science Fiction Quarterly, February 1955) (1955)
- As I Was Saying ... (Science Fiction Quarterly, February 1955) (1955) with Robert W. Lowndes
- As I Was Saying ... (Science Fiction Quarterly, May 1952) (1952)
- As I Was Saying ... (Science Fiction Quarterly, May 1952) (1952) with Robert W. Lowndes
- As I Was Saying ... (Science Fiction Quarterly, November 1951) (1951)
- As I Was Saying ... (Science Fiction Quarterly, November 1951) (1951) with The Editor
- As I Was Saying ... (Science Fiction Quarterly, November 1954) (1954)
- As I Was Saying ... (Science Fiction Quarterly, November 1954) (1954) with Robert W. Lowndes
- Books (Famous Science Fiction, Spring 1967) (1967)
- Books (Famous Science Fiction, Winter 1966/1967) (1966)
- Books (Magazine of Horror, August 1965) (1965)
- Books (Magazine of Horror, August 1965) (1965) with RAWL
- Bound to Be Read (Famous Science Fiction, Fall 1967) (1967)
- Bound to Be Read (Famous Science Fiction, Spring 1968) (1968)
- Bound to Be Read (Famous Science Fiction, Spring 1969) (1969)
- Bound to Be Read (Famous Science Fiction, Summer 1968) (1968)
- Bound to Be Read (Famous Science Fiction, Winter 1967/1968) (1967)
- Brutally Whipped Potatoes (1973)
- By Popular Request: An Editorial (1943)
- By Popular Request: An Editorial (1943) with Robert W. Lowndes
- Cassilda in Tsagoroth (1970) with Leland Sapiro
- Cassilda in Tsagoroth (1970) with Robert Lowndes and Leland Sapiro
- Close to Home (An Editorial) (1943)
- Close to Home (An Editorial) (1943) with Robert W. Lowndes
- Cosmic-Minded Sliced Beef Sandwich (1973)
- Cyril Kornbluth (Obituary) (1958)
- Damon Knight: Two Sketches (1980)
- Dead End (1940)
- Dead End (1940) with Robert W. Lowndes
- Down to Earth (1958) with RAWL
- Down to Earth (Famous Science Fiction, Fall 1967) (1967)
- Down to Earth (Famous Science Fiction, Spring 1967) (1967)
- Down to Earth (Famous Science Fiction, Spring 1968) (1968)
- Down to Earth (Famous Science Fiction, Spring 1969) (1969)
- Down to Earth (Famous Science Fiction, Summer 1967) (1967)
- Down to Earth (Famous Science Fiction, Summer 1968) (1968)
- Down to Earth (Famous Science Fiction, Winter 1966/1967) (1966)
- Down to Earth (Famous Science Fiction, Winter 1967/1968) (1967)
- Down to Earth (Future Science Fiction, #32) (1957)
- Down to Earth (Future Science Fiction, #33) (1957)
- Down to Earth (Future Science Fiction, #34) (1957)
- Down To Earth (Future Science Fiction, April 1958) (1958)
- Down to Earth (Future Science Fiction, April 1960) (1960)
- Down To Earth (Future Science Fiction, August 1958) (1958)
- Down to Earth (Future Science Fiction, December 1958) (1958)
- Down to Earth (Future Science Fiction, December 1959) (1959)
- Down to Earth (Future Science Fiction, February 1959) (1959)
- Down To Earth (Future Science Fiction, June 1959) (1959)
- Down to Earth (Future Science Fiction, March 1953) (1953)
- Down to Earth (Future Science Fiction, March 1953) (1953) with uncredited
- Down to Earth (Future Science Fiction, May 1952) (1952)
- Down to Earth (Future Science Fiction, May 1952) (1952) with Robert W. Lowndes
- Down to Earth (Future Science Fiction, May/June 1950) (1950)
- Down to Earth (Future Science Fiction, May/June 1950) (1950) with The Editor
- Down to Earth (Future Science Fiction, November 1950) (1950)
- Down to Earth (Future Science Fiction, November 1950) (1950) with Robert W. Lowndes
- Down to Earth (Future Science Fiction, October 1958) (1958)
- Down To Earth (Future Science Fiction, October 1959) (1959)
- Editorial Bewildered? (1957)
- Editorial Bewildered? (1957) with Robert W. Lowndes
- Editorial The Futuristic Detective (1959)
- Editorial: "Entertainment" (1955)
- Editorial: "Entertainment" (1955) with Robert W. Lowndes
- Editorial: A Fact Is a Fact is a Fact.... (1956)
- Editorial: A Fact Is a Fact is a Fact.... (1956) with Robert W. Lowndes
- Editorial: Communication Problem (1957)
- Editorial: Communication Problem (1957) with Robert W. Lowndes
- Editorial: Destructive Criticism? (1957)
- Editorial: Disciplined Imagination (1958)
- Editorial: Editor's Choice (1956)
- Editorial: Editor's Choice (1956) with Robert W. Lowndes
- Editorial: Experiment (1959)
- Editorial: Fair Warning (1958)
- Editorial: First Principles (1956)
- Editorial: First Principles (1956) with Robert W. Lowndes
- Editorial: Forces and Men (1956)
- Editorial: Forces and Men (1956) with Robert W. Lowndes
- Editorial: Freedom? (1958)
- Editorial: Hindsight (1956)
- Editorial: Hindsight (1956) with Robert W. Lowndes
- Editorial: How's That Again? (1957)
- Editorial: It's More Than Just Trying (1957)
- Editorial: It's More Than Just Trying (1957) with Robert W. Lowndes
- Editorial: Job For a Superman (1957)
- Editorial: Key Question (1958) with James E. Gunn
- Editorial: Let the Reader Beware (1959)
- Editorial: Limitations of Science Fiction (1955)
- Editorial: Limitations of Science Fiction (1955) with Robert W. Lowndes
- Editorial: Make It New (1960)
- Editorial: Many Mansions (1957)
- Editorial: Motive and Cue (1955)
- Editorial: Motive and Cue (1955) with Robert W. Lowndes
- Editorial: Not According to Newton (1959)
- Editorial: Not Both Ways (1957)
- Editorial: Nothing If Not Personal (1956)
- Editorial: Nothing If Not Personal (1956) with Robert W. Lowndes
- Editorial: Notice Taken (1956)
- Editorial: Notice Taken (1956) with Robert W. Lowndes
- Editorial: Prophecy (1957)
- Editorial: Prophecy (1957) with Robert W. Lowndes
- Editorial: Quis Custodiet (1957)
- Editorial: Refinement (1958)
- Editorial: Science Fiction Poetry? (1956)
- Editorial: Science Fiction Poetry? (1956) with Robert W. Lowndes
- Editorial: Something Happens ... (1959)
- Editorial: Standards in Science Fiction, Science Fiction As Delight (Part 1 of 3) (1967)
- Editorial: Standards in Science Fiction, Science Fiction As Delight (Part 2 of 3) (1967)
- Editorial: Standards in Science Fiction, Science Fiction As Delight (Part 3 of 3) (1968)
- Editorial: Standards in Science Fiction, Science Fiction as Instruction (1967)
- Editorial: Standards in Science Fiction, Science Fiction as Propaganda (1967)
- Editorial: Story Ratings (1957)
- Editorial: Super Science vs. Pseudo-Science (1955)
- Editorial: Super Science vs. Pseudo-Science (1955) with Robert W. Lowndes
- Editorial: The Borders of "Science Fiction" (1969)
- Editorial: The Pedalogical Question (1956)
- Editorial: The Pedalogical Question (1956) with Robert W. Lowndes
- Editorial: The Plot, the Plot! (1960)
- Editorial: The Sociological Story (1956)
- Editorial: The Sociological Story (1956) with Robert W. Lowndes
- Editorial: Theory and Practice (1958)
- Editorial: Those Letter Columns (1958)
- Editorial: Time for a Change (1954)
- Editorial: Time for a Change (1954) with Robert W. Lowndes
- Editorial: Want Ad (1955)
- Editorial: Want Ad (1955) with Robert W. Lowndes
- Editorial: What Makes Them Run? (1956)
- Editorial: What Makes Them Run? (1956) with Robert W. Lowndes
- Editorial: What Works? (1956)
- Editorial: What Works? (1956) with Robert W. Lowndes
- Editorial: Who Is the Fan? (1954)
- Editorial: Who Is the Fan? (1954) with Robert W. Lowndes
- Editorial: Who's to Blame (1959)
- Editorial: Why "Famous"? (1966)
- Editorial: Why Bother With Criticism? (1968)
- Editorial: Windows on Ignorance (1958)
- Editorial: Wonderfulness (1956)
- Editorial: Wonderfulness (1956) with Robert W. Lowndes
- Editorial: Yesterday's World of Tomorrow: 1927 (1957)
- Editorial: Yesterday's World of Tomorrow: 1927 II (1957)
- Editorial: Yesterday's World of Tomorrow: 1927 III (1958)
- Editorial: Yesterday's World of Tomorrow: 1928 (1958)
- Editorial: Yesterday's World of Tomorrow: 1928 II (1958)
- Editorial: Yesterday's World of Tomorrow: 1928 III (1958)
- Editorial: Yesterday's World of Tomorrow: 1928 IV (1958)
- Editorial: Yesterday's World of Tomorrow: 1928 V (1958)
- Editorial: Yesterday's World of Tomorrow: 1928 VI (1959)
- Editorial: Yesterday's World of Tomorrow: 1929 (1959)
- Editorial: Yesterday's World of Tomorrow: 1929 II (1959)
- Editorial: Yesterday's World of Tomorrow: The Coming of the Pulps (1960)
- Editorial: You and I (1958)
- Einführung (Besucher aus dem Jahre X) [German] (1970)
- Foreword (Armageddon 2419 A.D.) (1962)
- Foreword (The Puzzle Planet) (1961)
- Foreword (Three Faces of Science Fiction) (1973)
- Foreword (Yesterday's Worlds of Tomorrow) (2004)
- Frame of Reference (1973)
- From the Bookshelf (Future Science Fiction, July-August 1950) (1950)
- From the Bookshelf (Future Science Fiction, July-August 1950) (1950) with Robert W. Lowndes
- From the Bookshelf (Future Science Fiction, March 1951) (1951)
- From the Bookshelf (Future Science Fiction, March 1951) (1951) with Robert W. Lowndes
- From the Bookshelf (Future Science Fiction, May 1951) (1951)
- From the Bookshelf (Future Science Fiction, May 1951) (1951) with Robert W. Lowndes
- From the Bookshelf (Future Science Fiction, November 1951) (1951)
- From the Bookshelf (Future Science Fiction, November 1951) (1951) with Robert W. Lowndes
- From the Bookshelf (Future Science Fiction, September 1951) (1951)
- From the Bookshelf (Future Science Fiction, September 1951) (1951) with Robert W. Lowndes
- Futurian Times (Future Combined with Science Fiction, December 1941) (1941)
- Futurian Times (Future Combined with Science Fiction, December 1941) (1941) with uncredited
- Futurian Times (Future Combined with Science Fiction, February 1942) (1942)
- Futurian Times (Future Combined with Science Fiction, February 1942) (1942) with The Editor
- Futurian Times (Future Combined with Science Fiction, October 1941) (1941)
- Futurian Times (Future Combined with Science Fiction, October 1941) (1941) with uncredited
- Futurian Times (Future Fiction, April 1941) (1941)
- Futurian Times (Future Fiction, April 1941) (1941) with uncredited
- Futurian Times (Future Fiction, August 1941) (1941)
- Futurian Times (Future Fiction, August 1941) (1941) with uncredited
- Have You Read These Books? (1940)
- Have You Read These Books? (1940) with Robert W. Lowndes
- He Believes in Freedom (1969)
- In Memoriam: Fletcher Pratt (1956)
- In Memoriam: Fletcher Pratt (1956) with Robert W. Lowndes
- Inquisitions (Bizarre Fantasy Tales, Fall 1970) (1970)
- Inquisitions (Bizarre Fantasy Tales, Fall 1970) (1970) with RAWL
- Inquisitions (Bizarre Fantasy Tales, March 1971) (1971)
- Inquisitions (Magazine of Horror, April 1971) (1971)
- Inquisitions (Magazine of Horror, April 1971) (1971) with RAWL
- Inquisitions (Magazine of Horror, Fall 1970) (1970)
- Inquisitions (Magazine of Horror, Fall 1970) (1970) with RAWL
- Inquisitions (Magazine of Horror, February 1970) (1970)
- Inquisitions (Magazine of Horror, February 1970) (1970) with RAWL
- Inquisitions (Magazine of Horror, January 1968) (1968)
- Inquisitions (Magazine of Horror, January 1968) (1968) with RAWL
- Inquisitions (Magazine of Horror, January 1969) (1969)
- Inquisitions (Magazine of Horror, January 1969) (1969) with RAWL
- Inquisitions (Magazine of Horror, July 1968) (1968)
- Inquisitions (Magazine of Horror, July 1968) (1968) with RAWL
- Inquisitions (Magazine of Horror, July 1969) (1969)
- Inquisitions (Magazine of Horror, July 1969) (1969) with RAWL
- Inquisitions (Magazine of Horror, May 1969) (1969)
- Inquisitions (Magazine of Horror, May 1969) (1969) with RAWL
- Inquisitions (Magazine of Horror, May 1970) (1970)
- Inquisitions (Magazine of Horror, November 1968) (1968)
- Inquisitions (Magazine of Horror, November 1968) (1968) with RAWL
- Inquisitions (Magazine of Horror, September 1969) (1969)
- Inquisitions (Magazine of Horror, September 1969) (1969) with RAWL
- Inquisitions (Magazine of Horror, Summer 1970) (1970)
- Inquisitions (Magazine of Horror, Summer 1970) (1970) with RAWL
- Inquisitions (Startling Mystery Stories, Summer 1969) (1969)
- Inquisitions (Startling Mystery Stories, Summer 1970) (1970)
- Inquisitions (Weird Terror Tales, Fall 1970) (1970)
- Inquisitions (Weird Terror Tales, Fall 1970) (1970) with RAWL
- Inquisitions (Weird Terror Tales, Summer 1970) (1970)
- Inquisitions (Weird Terror Tales, Summer 1970) (1970) with RAWL
- Introduction (A Journey to the Center of the Earth) (1965)
- Introduction (Dracula) (1965)
- Introduction (Enslaved Brains) (1965)
- Introduction (Enslaved Brains) (1965) with Robert A. Lowndes
- Introduction (Explorers Into Infinity) (1965)
- Introduction (Explorers Into Infinity) (1965) with Robert A. Lowndes
- Introduction (From the Earth to the Moon) (1967)
- Introduction (In the Days of the Comet) (1966)
- Introduction (Jack of Eagles) (1982)
- Introduction (Magazine of Horror, April 1965) (1965)
- Introduction (Magazine of Horror, August 1963) (1963)
- Introduction (Magazine of Horror, August 1965) (1965)
- Introduction (Magazine of Horror, February 1964) (1964)
- Introduction (Magazine of Horror, January 1965) (1965)
- Introduction (Magazine of Horror, January 1965) (1965) with RAWL
- Introduction (Magazine of Horror, June 1965) (1965)
- Introduction (Magazine of Horror, June 1965) (1965) with RAWL
- Introduction (Magazine of Horror, May 1964) (1964)
- Introduction (Magazine of Horror, May 1964) (1964) with RAWL
- Introduction (Magazine of Horror, November 1963) (1963)
- Introduction (Magazine of Horror, November 1964) (1964)
- Introduction (Magazine of Horror, November 1964) (1964) with RAWL
- Introduction (Magazine of Horror, September 1964) (1964)
- Introduction (Magazine of Horror, Summer 1966) (1966)
- Introduction (Magazine of Horror, Summer 1966) (1966) with RAWL
- Introduction (Magazine of Horror, Winter 1965-66) (1965)
- Introduction (Magazine of Horror, Winter 1965-66) (1965) with RAWL
- Introduction (Magazine of Horror, Winter 1966/67) (1966)
- Introduction (Master of the World) (1965)
- Introduction (Palos of the Dog Star Pack) (1965)
- Introduction (Round the Moon) (1969)
- Introduction (The First Men in the Moon) (1965)
- Introduction (The Island of Dr. Moreau) (1966)
- Introduction to The Exile of Time (1964)
- It Is Written (Magazine of Horror, April 1971) (1971)
- It Is Written (Magazine of Horror, April 1971) (1971) with RAWL
- It Is Written (Magazine of Horror, December 1969) (1969)
- It Is Written (Magazine of Horror, December 1969) (1969) with RAWL
- It Is Written (Magazine of Horror, February 1970) (1970)
- It Is Written (Magazine of Horror, February 1970) (1970) with RAWL
- It Is Written (Magazine of Horror, July 1969) (1969)
- It Is Written (Magazine of Horror, July 1969) (1969) with RAWL
- It Is Written (Magazine of Horror, May 1970) (1970)
- It Is Written (Magazine of Horror, May 1970) (1970) with RAWL
- It Is Written (Magazine of Horror, September 1968) (1968)
- It Is Written (Magazine of Horror, September 1968) (1968) with RAWL
- It Is Written (Magazine of Horror, Summer 1970) (1970)
- It Is Written (Magazine of Horror, Summer 1970) (1970) with RAWL
- It Is Written ... (Magazine of Horror, April 1965) (1965)
- It Is Written ... (Magazine of Horror, April 1965) (1965) with RAWL
- It Is Written ... (Magazine of Horror, August 1965) (1965)
- It Is Written ... (Magazine of Horror, August 1965) (1965) with uncredited
- It Is Written ... (Magazine of Horror, January 1965) (1965)
- It Is Written ... (Magazine of Horror, January 1965) (1965) with RAWL
- It Is Written ... (Magazine of Horror, January 1968) (1968)
- It Is Written ... (Magazine of Horror, January 1968) (1968) with RAWL
- It Is Written ... (Magazine of Horror, June 1965) (1965)
- It Is Written ... (Magazine of Horror, June 1965) (1965) with RAWL
- It Is Written ... (Magazine of Horror, May 1964) (1964)
- It Is Written ... (Magazine of Horror, May 1964) (1964) with RAWL
- It Is Written ... (Magazine of Horror, November 1964) (1964)
- It Is Written ... (Magazine of Horror, November 1964) (1964) with RAWL
- It Is Written ... (Magazine of Horror, November 1965) (1965)
- It Is Written ... (Magazine of Horror, November 1965) (1965) with RAWL
- It Is Written ... (Magazine of Horror, November 1967) (1967)
- It Is Written ... (Magazine of Horror, November 1967) (1967) with RAWL
- It Is Written ... (Magazine of Horror, Spring 1967) (1967)
- It Is Written ... (Magazine of Horror, Spring 1967) (1967) with uncredited
- It Is Written ... (Magazine of Horror, Summer 1966) (1966)
- It Is Written ... (Magazine of Horror, Summer 1966) (1966) with RAWL
- It Is Written ... (Magazine of Horror, Summer 1967) (1967)
- It Is Written ... (Magazine of Horror, Summer 1967) (1967) with uncredited
- It Is Written ... (Magazine of Horror, Winter 1965-66) (1965)
- It Is Written ... (Magazine of Horror, Winter 1965-66) (1965) with RAWL
- It Is Written ... (Magazine of Horror, Winter 1966-67) (1966)
- It Is Written ... (Magazine of Horror, Winter 1966-67) (1966) with RAWL
- It Is Written... (Magazine of Horror, January 1969) (1969)
- It Is Written... (Magazine of Horror, January 1969) (1969) with RAWL
- It Is Written... (Magazine of Horror, July 1968) (1968)
- It Is Written... (Magazine of Horror, July 1968) (1968) with RAWL
- It Is Written... (Magazine of Horror, March 1968) (1968)
- It Is Written... (Magazine of Horror, March 1968) (1968) with RAWL
- It Is Written... (Magazine of Horror, May 1968) (1968)
- It Is Written... (Magazine of Horror, May 1968) (1968) with RAWL
- It Is Written... (Magazine of Horror, May 1969) (1969)
- It Is Written... (Magazine of Horror, May 1969) (1969) with RAWL
- It Is Written... (Magazine of Horror, November 1968) (1968)
- It Is Written... (Magazine of Horror, November 1968) (1968) with RAWL
- It Says Here (Science Fiction Quarterly, May 1951) (1951)
- It Says Here (Science Fiction Quarterly, May 1951) (1951) with Robert W. Lowndes
- It Says Here (Science Fiction Quarterly, May 1957) (1957)
- James Blish (1972)
- James Blish: An Appreciation (1975)
- James Blish: Profile (1972)
- Letter (Algol, Summer-Fall 1978) (1978)
- Letter (Amazing Stories, December 1934) (1934)
- Letter (Amazing Stories, December 1934) (1934) with Robert W. Lowndes
- Letter (Amazing Stories, December 1936) (1936)
- Letter (Amazing Stories, December 1936) (1936) with Robert W. Lowndes
- Letter (Amazing Stories, February 1936): A Very Severe Criticism of Amazing Stories (1936)
- Letter (Amazing Stories, February 1936): A Very Severe Criticism of Amazing Stories (1936) with Robert W. Lowndes
- Letter (Amazing Stories, January 1973) (1973)
- Letter (Amazing Stories, May 1971) (1971)
- Letter (Astonishing Stories (Canadian), May 1942): What a Writer Thinks About It (1942) with Wilfred Owen Morley
- Letter (Astonishing Stories, April 1940): On Elephants (1940)
- Letter (Astonishing Stories, April 1940): On Elephants (1940) with Robert W. Lowndes
- Letter (Astonishing Stories, August 1940): Forum (1940)
- Letter (Astonishing Stories, August 1940): Forum (1940) with Robert W. Lowndes
- Letter (Astonishing Stories, December 1940): All We Need... (1940)
- Letter (Astonishing Stories, December 1940): All We Need... (1940) with Robert W. Lowndes
- Letter (Astonishing Stories, February 1940): —Some Like It Cold (1940)
- Letter (Astonishing Stories, February 1940): —Some Like It Cold (1940) with Robert W. Lowndes
- Letter (Astonishing Stories, June 1940): Two-Way Column? (1940)
- Letter (Astonishing Stories, June 1940): Two-Way Column? (1940) with Robert W. Lowndes
- Letter (Astonishing Stories, March 1942): What a Writer Thinks About It (1942)
- Letter (Astonishing Stories, March 1942): What a Writer Thinks About It (1942) with Wilfred Owen Morley
- Letter (Astonishing Stories, October 1940): Didn't Like Cover (1940)
- Letter (Astonishing Stories, October 1940): Didn't Like Cover (1940) with Robert W. Lowndes
- Letter (Astounding Stories, July 1934) (1934)
- Letter (Astounding Stories, July 1934) (1934) with Robert W. Lowndes
- Letter (Astounding Stories, March 1936) (1936)
- Letter (Astounding Stories, March 1936) (1936) with Robert W. Lowndes
- Letter (Astounding Stories, November 1934) (1934)
- Letter (Astounding Stories, October 1936) (1936)
- Letter (Astounding Stories, October 1936) (1936) with Robert W. Lowndes
- Letter (Astounding, April 1941) (1941)
- Letter (Comet, January 1941): We'll Try to Match Up! (1941)
- Letter (Comet, January 1941): We'll Try to Match Up! (1941) with (Doc) Robert W. Lowndes
- Letter (Crypt of Cthulhu, Candlemas 1989) (1989)
- Letter (Crypt of Cthulhu, Hallowmas 1991) (1991)
- Letter (Crypt of Cthulhu, Michaelmas 1989) (1989)
- Letter (Crypt of Cthulhu, Michaelmas 1990) (1990)
- Letter (Crypt of Cthulhu, St. John's Eve 1989) (1989)
- Letter (Crypt of Cthulhu, St. John's Eve 1989) (1989) with R. A. W. Lowndes
- Letter (Crypt of Cthulhu, St. John's Eve 1990) (1990)
- Letter (Famous Fantastic Mysteries, December 1941): Doc Lowndes Reports the Denver Convention (1941)
- Letter (Famous Fantastic Mysteries, December 1941): Doc Lowndes Reports the Denver Convention (1941) with Doc Lowndes
- Letter (Foundation #16) (1979)
- Letter (Foundation #21) (1981)
- Letter (Future Combined with Science Fiction, December 1941) (1941)
- Letter (Future Combined with Science Fiction, December 1941) (1941) with Wilfred Owen Morley
- Letter (Haunted V1n2) (1964)
- Letter (In Answer to Kaletsky) (1935)
- Letter (In Answer to Kaletsky) (1935) with Robert W. Lowndes
- Letter (Le Zombie, May-June 1943): From Our New York Correspondent (1943)
- Letter (Le Zombie, May-June 1943): From Our New York Correspondent (1943) with R. W. Lowndes
- Letter (Locus #11) (1968)
- Letter (Locus #11) (1968) with Bob Lowndes
- Letter (Locus #15) (1968)
- Letter (Locus #15) (1968) with Doc Lowndes
- Letter (Locus #19) (1969)
- Letter (Locus #19) (1969) with Doc Lowndes
- Letter (Locus #329) (1988)
- Letter (Locus #360) (1991)
- Letter (Locus #44) (1970)
- Letter (Locus #44) (1970) with Doc Lowndes
- Letter (Locus #65) (1970)
- Letter (Locus #65) (1970) with Bob Lowndes
- Letter (Locus #68) (1970)
- Letter (Locus #68) (1970) with Bob Lowndes
- Letter (Revelations from Yuggoth #2) (1988)
- Letter (Revelations from Yuggoth #2) (1988) with R. A. W. Lowndes
- Letter (Revelations from Yuggoth #3) (1989)
- Letter (Science Fiction Chronicle #73) (1985)
- Letter (Science Fiction Quarterly, Spring 1943) (1943)
- Letter (Science Fiction Quarterly, Spring 1943) (1943) with Mallory Kent
- Letter (Science Fiction Review #26) (1978)
- Letter (Science Fiction Review #31) (1979)
- Letter (Science Fiction Review #32) (1979)
- Letter (Science Fiction Review #37) (1980)
- Letter (Science Fiction Review #40) (1981)
- Letter (Science Fiction Review #42) (1982)
- Letter (Science Fiction Review #54) (1985)
- Letter (Science Fiction Review #58) (1986)
- Letter (Science Fiction Review #61) (1986)
- Letter (Science Fiction Review, March 1971) (1971)
- Letter (Science Fiction Review, March 1971) [2] (1971)
- Letter (Short Form, October 1989) (1989)
- Letter (Spaceways, August 1939) (1939)
- Letter (Spaceways, August 1939) (1939) with Robert W. Lowndes
- Letter (Spaceways, January 1940) (1940)
- Letter (Spaceways, January 1940) (1940) with Robert W. Lowndes
- Letter (Spaceways, January 1942) (1942)
- Letter (Spaceways, January 1942) (1942) with Robert W. Lowndes
- Letter (Spaceways, June 1939) (1939)
- Letter (Spaceways, June 1939) (1939) with Robert W. Lowndes
- Letter (Spaceways, October 1940) (1940)
- Letter (Spaceways, October 1940) (1940) with Robert W. Lowndes
- Letter (Spaceways, September 1940) (1940)
- Letter (Spaceways, September 1940) (1940) with Robert W. Lowndes
- Letter (Starship, Fall 1979) (1979)
- Letter (Stirring Science Stories, April 1941) (1941)
- Letter (Stirring Science Stories, April 1941) (1941) with Mallory Kent
- Letter (Stirring Science Stories, February 1941) (1941)
- Letter (Stirring Science Stories, February 1941) (1941) with Robert W. Lowndes
- Letter (Super Science Novels Magazine, March 1941): Man Gets Wish (1941)
- Letter (Super Science Novels Magazine, March 1941): Man Gets Wish (1941) with Robert W. Lowndes
- Letter (Super Science Stories, May 1940): "Vitality and Zest" (1940)
- Letter (Super Science Stories, May 1940): "Vitality and Zest" (1940) with Robert W. Lowndes
- Letter (Super Science Stories, May 1942) (1942)
- Letter (Super Science Stories, May 1942) (1942) with Wilfred Owen Morley
- Letter (The Alien Critic #10) (1974)
- Letter (The Alien Critic #5) (1973)
- Letter (The Alien Critic #6) (1973)
- Letter (The Fantast, April 1942) (1942)
- Letter (The Fantast, April 1942) (1942) with Doc Lowndes
- Letter (The Fantast, August 1939) (1939)
- Letter (The Fantast, August 1939) (1939) with R. W. 'Doc' Lowndes
- Letter (The Fantast, May 1940) (1940)
- Letter (The Fantast, May 1940) (1940) with Doc Lowndes
- Letter (The Fantast, October-November 1939) (1939)
- Letter (The Fantast, October-November 1939) (1939) with Doc Lowndes
- Letter (The Fantast, September 1939) (1939)
- Letter (The Fantast, September 1939) (1939) with Robert W. 'Doc' Lowndes
- Letter (The Proposed Darien Chapter) (1935)
- Letter (The Proposed Darien Chapter) (1935) with Robert W. Lowndes
- Letter (The Science-Fiction Collector 8) (1979)
- Letter (The Weird Tales Collector, #5) (1979)
- Letter (The Weird Tales Collector, #6) (1980)
- Letter (Thrilling Wonder Stories, December 1936): Knock-Knock! (1936)
- Letter (Thrilling Wonder Stories, December 1936): Knock-Knock! (1936) with Robert W. Lowndes
- Letter (Thrilling Wonder Stories, January 1941): T. W. S. Takes the Stand (1941)
- Letter (Thrilling Wonder Stories, January 1941): T. W. S. Takes the Stand (1941) with Robert W. Lowndes
- Letter (Trumpet #3) (1965)
- Letter (Trumpet #3) (1965) with Robert Lowndes
- Letter (Weird Tales #3) (1981)
- Letter (Weird Tales, April 1938): Finlay's Art Work (1938)
- Letter (Weird Tales, April 1938): Finlay's Art Work (1938) with Robert W. Lowndes
- Letter (Weird Tales, August 1937): A Tribute to Lovecraft (1937)
- Letter (Weird Tales, August 1937): A Tribute to Lovecraft (1937) with Robert W. Lowndes
- Letter (Weird Tales, August-September 1936): Satan's Sub-Villain (1936)
- Letter (Weird Tales, August-September 1936): Satan's Sub-Villain (1936) with Robert W. Lowndes
- Letter (Weird Tales, December 1936): Brundage and St. John (1936)
- Letter (Weird Tales, December 1936): Brundage and St. John (1936) with Robert W. Lowndes
- Letter (Weird Tales, February 1936): The Recent Reprints (1936)
- Letter (Weird Tales, February 1936): The Recent Reprints (1936) with Robert W. Lowndes
- Letter (Weird Tales, March 1940): WT in 1939 (1940)
- Letter (Weird Tales, March 1940): WT in 1939 (1940) with Robert W. Lowndes
- Letter (Weird Tales, October 1934): From a CCC Camp (1934)
- Letter (Weird Tales, October 1934): From a CCC Camp (1934) with Robert W. Lowndes
- Letter (Weird Tales, Summer 1991) (1991)
- Letter (Wonder Stories, October 1935): A Royal Pill Roller (1935)
- Letter (Wonder Stories, October 1935): A Royal Pill Roller (1935) with Sir Doc Lowndes
- Letter (Wonder Stories, September 1935): The Plutonian SFL (1935)
- Letter (Wonder Stories, September 1935): The Plutonian SFL (1935) with Robert W. Lowndes
- Letter to Psychotic, January 1955 (1955) with Robert W. Lowndes
- Letter to Psychotic, January, 1955 (1955)
- Letter to Psychotic, July 1968 (1968)
- Letter to Psychotic, May-June-July 1955 (1955) with Robert W. Lowndes
- Letter to Psychotic, May-June-July, 1955 (1955)
- Letter to Richard E. Geis, September 1972 (1972)
- Letter: Blish and VAPA (1989)
- Letter: In reply to Burden and Ketterer (1984)
- Letter: On Donald A. Wollheim (1983)
- Letter: On Hugo Gernsback (1985)
- Meatloaf Tortuga (1973)
- Memories of Hannes (1974)
- Memories of Hannes Bok (2009)
- Men of the Dark Comet (introduction) (1968)
- Mining on Ceres (1953)
- Mining on Ceres (1953) with Robert W. Lowndes
- Necronomology: On Reading the Necronomicon (1939)
- Necronomology: On Reading the Necronomicon (1939) with Robert W. Lowndes
- Notes (Never Bet the Devil Your Head) (1970)
- Notes (Never Bet the Devil Your Head) (1970) with uncredited
- Notes (Three Faces of Science Fiction) (1973)
- Notes on Devil-Worship (1941)
- Notes on Devil-Worship (1941) with Robert W. Lowndes
- On Forbidden Knowledge (1989)
- On H. P. Lovecraft's Views of Weird Fiction (1989)
- On the Cover (1968)
- Open Letter (1971)
- Presentazione. Non dormire sugli allori [Italian] (1977)
- Prime Base (Science Fiction Quarterly, Fall 1942) (1942)
- Prime Base (Science Fiction Quarterly, Fall 1942) (1942) with Robert W. Lowndes
- Prime Base (Science Fiction Quarterly, Spring 1942) (1942)
- Prime Base (Science Fiction Quarterly, Spring 1942) (1942) with RWL
- Prime Base (Science Fiction Quarterly, Spring 1943) (1943)
- Prime Base (Science Fiction Quarterly, Spring 1943) (1943) with Robert W. Lowndes
- Prime Base (Science Fiction Quarterly, Summer 1942) (1942)
- Prime Base (Science Fiction Quarterly, Summer 1942) (1942) with R. W. Lowndes
- Prime Base (Science Fiction Quarterly, Winter 1941-1942) (1941)
- Prime Base (Science Fiction Quarterly, Winter 1941-1942) (1941) with RWL
- Readers Choice (The Weird Tales Collector, #5) (1979)
- Readers Choice (The Weird Tales Collector, #6) (1980)
- Readin' and Writhin' (Dynamic Science Fiction, December 1952) (1952)
- Readin' and Writhin' (Dynamic Science Fiction, December 1952) (1952) with Robert W. Lowndes
- Readin' and Writhin' (Dynamic Science Fiction, January 1954) (1954) with Katherine MacLean
- Readin' and Writhin' (Dynamic Science Fiction, January 1954) (1954) with Katherine MacLean and RWL
- Readin' and Writhin' (Dynamic Science Fiction, June 1953) (1953) with Damon Knight
- Readin' and Writhin' (Dynamic Science Fiction, June 1953) (1953) with Damon Knight and Robert W. Lowndes
- Readin' and Writhin' (Dynamic Science Fiction, October 1953) (1953)
- Readin' and Writhin' (Dynamic Science Fiction, October 1953) (1953) with RWL
- Readin' and Writhin' (Future Science Fiction, January 1953) (1953)
- Readin' and Writhin' (Future Science Fiction, January 1953) (1953) with Robert W. Lowndes
- Readin' and Writhin' (Future Science Fiction, January 1954) (1954)
- Readin' and Writhin' (Future Science Fiction, January 1954) (1954) with Robert W. Lowndes
- Readin' and Writhin' (Future Science Fiction, July 1953) (1953)
- Readin' and Writhin' (Future Science Fiction, July 1953) (1953) with Robert W. Lowndes
- Readin' and Writhin' (Future Science Fiction, March 1952) (1952)
- Readin' and Writhin' (Future Science Fiction, March 1952) (1952) with Robert W. Lowndes
- Readin' and Writhin' (Future Science Fiction, March 1953) (1953)
- Readin' and Writhin' (Future Science Fiction, March 1953) (1953) with Robert W. Lowndes
- Readin' and Writhin' (Future Science Fiction, May 1952) (1952) with L. Sprague de Camp
- Readin' and Writhin' (Future Science Fiction, May 1952) (1952) with L. Sprague de Camp and Robert W. Lowndes
- Readin' and Writhin' (Future Science Fiction, May 1953) (1953) with Damon Knight
- Readin' and Writhin' (Future Science Fiction, May 1953) (1953) with Damon Knight and Robert W. Lowndes
- Readin' and Writhin' (Future Science Fiction, November 1952) (1952)
- Readin' and Writhin' (Future Science Fiction, November 1952) (1952) with Robert W. Lowndes
- Readin' and Writhin' (Future Science Fiction, September 1953) (1953) with James Blish
- Readin' and Writhin' (Future Science Fiction, September 1953) (1953) with James Blish and Robert W. Lowndes
- Readin' and Writhin' (Science Fiction Quarterly, August 1952) (1952)
- Readin' and Writhin' (Science Fiction Quarterly, August 1952) (1952) with Robert W. Lowndes
- Readin' and Writhin' (Science Fiction Quarterly, August 1954) (1954) with Damon Knight and Robert A. Madle
- Readin' and Writhin' (Science Fiction Quarterly, August 1954) (1954) with Damon Knight and Robert W. Lowndes and Robert A. Madle
- Readin' and Writhin' (Science Fiction Quarterly, August 1955) (1955) with L. Sprague de Camp and Damon Knight
- Readin' and Writhin' (Science Fiction Quarterly, August 1955) (1955) with L. Sprague de Camp and Damon Knight and Robert W. Lowndes
- Readin' and Writhin' (Science Fiction Quarterly, August 1956) (1956) with Randall Garrett and Damon Knight
- Readin' and Writhin' (Science Fiction Quarterly, May 1952) (1952)
- Readin' and Writhin' (Science Fiction Quarterly, May 1952) (1952) with Robert W. Lowndes
- Readin' and Writhin' (Science Fiction Quarterly, May 1953) (1953)
- Readin' and Writhin' (Science Fiction Quarterly, May 1953) (1953) with Robert W. Lowndes
- Readin' and Writhin' (Science Fiction Stories, September 1955) (1955) with Damon Knight
- Readin' and Writhin' (Science Fiction Stories, September 1955) (1955) with Damon Knight and Robert W. Lowndes
- Rejected: A Pessimistic Outlook (1939)
- Rejected: A Pessimistic Outlook (1939) with Robert W. Lowndes
- Remembering Virgil (1981)
- Reply to Gregory Feeley (1983)
- Review of "The Count Dracula Society Quarterly" edited by Gordon Guy (1968)
- Review of non-genre mystery fanzine: "The Mystery Lover's Newsletter" edited by Lianne Carlin (1968)
- Review of non-genre mystery novel: "Ordeal by Innocence" by Agatha Christie (1970)
- Review of non-genre mystery novel: "The Benson Murder Case" by S. S. Van Dine (1969)
- Review of non-genre Sherlock Holmes novel: "Sherlock Holmes in Tibet" by Richard Wincor (1968)
- Review of non-genre Sherlock Holmes story: "The Problem of the Purple Maculas" by James C. Iraldi (1968)
- Review of the non-genre short-story collection: "The Incredulity of Father Brown" by G. K. Chesterton (1970)
- Review of the non-genre short-story collection: "The Secret of Father Brown" by G. K. Chesterton (1970)
- Robert A. Madle: The Quiet Fan (1977)
- Science Fiction and Ethics (1938)
- Science Fiction and Ethics (1938) with Robert W. Lowndes
- Science Fiction as Instruction (1973)
- Science Fiction as Propaganda (1973)
- Science Fiction Classics (1941)
- Science Fiction Classics (1941) with Wilfred Owen Morley
- Science Fiction the Hard Way (1979)
- Seabury Quinn (1970)
- Slizzers (1953) with Jerome Bixby and Frederik Boles
- Slizzers (Letter exchange about story) (1953) with Jerome Bixby and Frederik Boles and Robert W. Lowndes
- Station X (Future Combined with Science Fiction, April 1942) (1942)
- Station X (Future Combined with Science Fiction, April 1942) (1942) with RWL
- Station X (Future Combined with Science Fiction, August 1942) (1942)
- Station X (Future Combined with Science Fiction, August 1942) (1942) with Robert W. Lowndes
- Station X (Future Combined with Science Fiction, December 1941) (1941)
- Station X (Future Combined with Science Fiction, December 1941) (1941) with RWL
- Station X (Future Combined with Science Fiction, February 1942) (1942)
- Station X (Future Combined with Science Fiction, February 1942) (1942) with RWL
- Station X (Future Combined with Science Fiction, June 1942) (1942)
- Station X (Future Combined with Science Fiction, June 1942) (1942) with R. W. Lowndes
- Station X (Future Combined with Science Fiction, October 1941) (1941)
- Station X (Future Combined with Science Fiction, October 1941) (1941) with RWL
- Station X (Future Fantasy and Science Fiction, February 1943) (1943)
- Station X (Future Fantasy and Science Fiction, October 1942) (1942)
- Station X (Future Fantasy and Science Fiction, October 1942) (1942) with Robert W. Lowndes
- Station X (Future Fiction, April 1941) (1941)
- Station X (Future Fiction, April 1941) (1941) with uncredited
- Station X (Future Fiction, August 1941) (1941)
- Station X (Future Fiction, August 1941) (1941) with RWL
- Swansong Inscrutable (1940)
- Swansong Inscrutable (1940) with Robert W. Lowndes
- Teller of Tales (1976)
- The Book That Never Was (1974)
- The Bride of Dewer (introduction) (1970)
- The Cases of Jules de Grandin: A Chronological Listing, Part 1 (1969)
- The Cauldron (Startling Mystery Stories, Winter 1968/1969) (1968)
- The Changes I've Seen (1986)
- The Dead Walk Softly (Introduction) (1970)
- The Editor's Page (1960)
- The Editor's Page (Bizarre Fantasy Tales, Fall 1970) (1970)
- The Editor's Page (Bizarre Fantasy Tales, Fall 1970) (1970) with RAWL
- The Editor's Page (Bizarre Fantasy Tales, March 1971) (1971)
- The Editor's Page (Magazine of Horror, April 1971) (1971)
- The Editor's Page (Magazine of Horror, April 1971) (1971) with RAWL
- The Editor's Page (Magazine of Horror, December 1969) (1969)
- The Editor's Page (Magazine of Horror, December 1969) (1969) with RAWL
- The Editor's Page (Magazine of Horror, Fall 1967) (1967)
- The Editor's Page (Magazine of Horror, Fall 1967) (1967) with uncredited
- The Editor's Page (Magazine of Horror, February 1970) (1970)
- The Editor's Page (Magazine of Horror, February 1970) (1970) with RAWL
- The Editor's Page (Magazine of Horror, February 1971) (1971)
- The Editor's Page (Magazine of Horror, February 1971) (1971) with RAWL
- The Editor's Page (Magazine of Horror, January 1968) (1968)
- The Editor's Page (Magazine of Horror, January 1968) (1968) with RAWL
- The Editor's Page (Magazine of Horror, January 1969) (1969)
- The Editor's Page (Magazine of Horror, January 1969) (1969) with RAWL
- The Editor's Page (Magazine of Horror, July 1968) (1968)
- The Editor's Page (Magazine of Horror, July 1968) (1968) with RAWL
- The Editor's Page (Magazine of Horror, July 1969) (1969)
- The Editor's Page (Magazine of Horror, July 1969) (1969) with RAWL
- The Editor's Page (Magazine of Horror, March 1968) (1968)
- The Editor's Page (Magazine of Horror, March 1968) (1968) with RAWL
- The Editor's Page (Magazine of Horror, March 1969) (1969)
- The Editor's Page (Magazine of Horror, March 1969) (1969) with RAWL
- The Editor's Page (Magazine of Horror, May 1968) (1968)
- The Editor's Page (Magazine of Horror, May 1968) (1968) with RAWL
- The Editor's Page (Magazine of Horror, May 1969) (1969)
- The Editor's Page (Magazine of Horror, May 1969) (1969) with RAWL
- The Editor's Page (Magazine of Horror, May 1970) (1970)
- The Editor's Page (Magazine of Horror, November 1967) (1967)
- The Editor's Page (Magazine of Horror, November 1967) (1967) with RAWL
- The Editor's Page (Magazine of Horror, November 1968) (1968)
- The Editor's Page (Magazine of Horror, November 1968) (1968) with RAWL
- The Editor's Page (Magazine of Horror, September 1968) (1968)
- The Editor's Page (Magazine of Horror, September 1968) (1968) with RAWL
- The Editor's Page (Magazine of Horror, September 1969) (1969)
- The Editor's Page (Magazine of Horror, September 1969) (1969) with RAWL
- The Editor's Page (Magazine of Horror, Spring 1967) (1967)
- The Editor's Page (Magazine of Horror, Spring 1967) (1967) with RAWL
- The Editor's Page (Magazine of Horror, Summer 1967) (1967)
- The Editor's Page (Magazine of Horror, Summer 1967) (1967) with RAWL
- The Editor's Page (Magazine of Horror, Summer 1970) (1970)
- The Editor's Page (Magazine of Horror, Summer 1970) (1970) with RAWL
- The Editor's Page (Startling Mystery Stories, Fall 1970) (1970)
- The Editor's Page (Startling Mystery Stories, March 1971) (1971)
- The Editor's Page (Startling Mystery Stories, Summer 1969) (1969)
- The Editor's Page (Startling Mystery Stories, Summer 1970) (1970)
- The Editor's Page (Startling Mystery Stories, Winter 1968/1969) (1968)
- The Editor's Page (Startling Mystery Stories, Winter 1969) (1969)
- The Editor's Page (Weird Terror Tales, Fall 1970) (1970)
- The Editor's Page (Weird Terror Tales, Fall 1970) (1970) with RAWL
- The Editor's Page (Weird Terror Tales, Summer 1970) (1970)
- The Editor's Page (Weird Terror Tales, Summer 1970) (1970) with RAWL
- The Editor's Page (Weird Terror Tales, Winter 1969/70) (1969)
- The Editor's Page (Weird Terror Tales, Winter 1969/70) (1969) with RAWL
- The Editor's Page / Reminscences of Seabury Quinn (1970)
- The Editor's Page / Reminscences of Seabury Quinn (1970) with RAWL
- The Fantasy Fan (Science Fiction, September 1941) (1941)
- The Fantasy Fan (Science Fiction, September 1941) (1941) with R. W. Lowndes
- The Invisible Man: H. G. Wells: Introduction (1964)
- The Last Word (Science Fiction Stories, August 1958) (1958)
- The Last Word (Science Fiction Stories, February 1959) (1959)
- The Last Word (Science Fiction Stories, January 1959) (1959)
- The Last Word (Science Fiction Stories, January 1960) (1960)
- The Last Word (Science Fiction Stories, July 1959) (1959)
- The Last Word (Science Fiction Stories, May 1960) (1960)
- The Last Word (Science Fiction Stories, November 1958) (1958)
- The Last Word (Science Fiction Stories, September 1958) (1958)
- The Lobby: A Department for Science Fictionists (Dynamic Science Fiction, December 1952) (1952)
- The Lobby: A Department for Science Fictionists (Dynamic Science Fiction, December 1952) (1952) with uncredited
- The Lobby: A Department for Science Fictionists (Dynamic Science Fiction, June 1953) (1953)
- The Lobby: A Department for Science Fictionists (Dynamic Science Fiction, June 1953) (1953) with uncredited
- The Lobby: A Department for Science Fictionists (Dynamic Science Fiction, March 1953) (1953)
- The Lobby: A Department for Science Fictionists (Dynamic Science Fiction, March 1953) (1953) with RWL
- The Lobby: Where the Readers and the Editor Talk Things Out (Dynamic Science Fiction, August 1953) (1953)
- The Lobby: Where the Readers and the Editor Talk Things Out (Dynamic Science Fiction, August 1953) (1953) with uncredited
- The Lobby: Where the Readers and the Editor Talk Things Out (Dynamic Science Fiction, January 1954) (1954)
- The Lobby: Where the Readers and the Editor Talk Things Out (Dynamic Science Fiction, January 1954) (1954) with uncredited
- The Lobby: Where the Readers and the Editor Talk Things Out (Dynamic Science Fiction, October 1953) (1953)
- The Lobby: Where the Readers and the Editor Talk Things Out (Dynamic Science Fiction, October 1953) (1953) with uncredited
- The Pentacle (1971)
- The Reckoning (Dynamic Science Fiction, August 1953) (1953)
- The Reckoning (Dynamic Science Fiction, August 1953) (1953) with uncredited
- The Reckoning (Dynamic Science Fiction, October 1953) (1953)
- The Reckoning (Dynamic Science Fiction, October 1953) (1953) with uncredited
- The Reckoning (Magazine of Horror #8) (1965) with uncredited
- The Reckoning (Magazine of Horror, April 1965) (1965)
- The Reckoning (Magazine of Horror, August 1965) (1965)
- The Reckoning (Magazine of Horror, August 1965) (1965) with uncredited
- The Reckoning (Magazine of Horror, Fall 1967) (1967)
- The Reckoning (Magazine of Horror, Fall 1967) (1967) with uncredited
- The Reckoning (Magazine of Horror, January 1968) (1968)
- The Reckoning (Magazine of Horror, January 1968) (1968) with uncredited
- The Reckoning (Magazine of Horror, June 1965) (1965)
- The Reckoning (Magazine of Horror, June 1965) (1965) with uncredited
- The Reckoning (Magazine of Horror, November 1965) (1965)
- The Reckoning (Magazine of Horror, November 1965) (1965) with uncredited
- The Reckoning (Magazine of Horror, Summer 1966) (1966)
- The Reckoning (Magazine of Horror, Summer 1966) (1966) with uncredited
- The Reckoning (Magazine of Horror, Summer 1967) (1967)
- The Reckoning (Magazine of Horror, Summer 1967) (1967) with uncredited
- The Reckoning (Magazine of Horror, Winter 1965-66) (1965)
- The Reckoning (Magazine of Horror, Winter 1965-66) (1965) with uncredited
- The Reckoning (Magazine of Horror, Winter 1966/67) (1966)
- The Reckoning (Magazine of Horror, Winter 1966/67) (1966) with uncredited
- The Reckoning (Science Fiction Quarterly, August 1951) (1951)
- The Reckoning (Science Fiction Quarterly, August 1951) (1951) with Robert W. Lowndes
- The Reckoning (Weird Terror Tales, Fall 1970) (1970)
- The Reckoning (Weird Terror Tales, Summer 1970) (1970)
- The Shadow on the Sky (Introduction) (1970)
- The Star Chamber (Weird Terror Tales, Fall 1970) (1970)
- The Star Chamber (Weird Terror Tales, Summer 1970) (1970)
- The Star Chamber (Weird Terror Tales, Winter 1969/70) (1969)
- The Star Chamber (Weird Terror Tales, Winter 1969/70) (1969) with RAWL
- The Suspension of Disbelief (1965)
- The Suspension of Disbelief (1965) with RAWL
- The Trap (Introduction) (1970)
- The Way I Saw It (Movie Review) (1951)
- The Way I Saw It (Movie Review) (1951) with Robert W. Lowndes
- The Way I Saw It ... (Science Fiction Quarterly, November 1953) (1953)
- The Way I Saw It ... (Science Fiction Quarterly, November 1953) (1953) with Robert W. Lowndes
- The Weird and the Fantastic (1941)
- The Weird and the Fantastic (1941) with Robert W. Lowndes
- Three Contemporaries (1973)
- Three Oldtimers (1973)
- Today and Tomorrow (Future Science Fiction, January 1951) (1951)
- Today and Tomorrow (Future Science Fiction, January 1951) (1951) with Robert W. Lowndes
- Today and Tomorrow (Future Science Fiction, July 1951) (1951)
- Today and Tomorrow (Future Science Fiction, July 1951) (1951) with Robert W. Lowndes
- Today and Tomorrow (Future Science Fiction, July-August 1950) (1950)
- Today and Tomorrow (Future Science Fiction, July-August 1950) (1950) with Robert W. Lowndes
- Today and Tomorrow (Future Science Fiction, March 1951) (1951)
- Today and Tomorrow (Future Science Fiction, March 1951) (1951) with Robert W. Lowndes
- Today and Tomorrow (Future Science Fiction, March 1952) (1952)
- Today and Tomorrow (Future Science Fiction, March 1952) (1952) with Robert W. Lowndes
- Today and Tomorrow (Future Science Fiction, May 1951) (1951)
- Today and Tomorrow (Future Science Fiction, May 1951) (1951) with Robert W. Lowndes
- Today and Tomorrow (Future Science Fiction, November 1950) (1950)
- Today and Tomorrow (Future Science Fiction, November 1950) (1950) with Robert W. Lowndes
- Today and Tomorrow (Future Science Fiction, November 1951) (1951)
- Today and Tomorrow (Future Science Fiction, November 1951) (1951) with The Editor
- Today and Tomorrow (Future Science Fiction, September 1951) (1951)
- Today and Tomorrow (Future Science Fiction, September 1951) (1951) with Robert W. Lowndes
- Today and Tomorrow (Future Science Fiction, September/October 1950) (1950)
- Today and Tomorrow (Future Science Fiction, September/October 1950) (1950) with Robert W. Lowndes
- Unknown — and the New Escapism (1939)
- Unknown — and the New Escapism (1939) with Robert W. Lowndes
- Veal Scallopine (1973)
- We're All Blushing (1955)
- We're All Blushing (1955) with Robert W. Lowndes
- Weird Fiction, Horror Fiction - What's the Difference? (1993)
- What Fan Magazine (1940)
- What Fan Magazine (1940) with Robert W. Lowndes
- What Works? (1956) with Robert W. Lowndes
- Who Killed Science Fiction? (1960)
- Why "Death from the Stars" Is My Favorite (1941)
- Why "Death from the Stars" Is My Favorite (1941) with Robert W. Lowndes
- Yesterday's Worlds of Tomorrow (2004)
- Fantasy Digest, August-September 1939 (1939)
- Fantasy Digest, August-September 1939 (1939) with Robert W. Lowndes
- Spaceways, August 1939 (1939)
- Spaceways, August 1939 (1939) with Robert W. Lowndes
- Spaceways, January 1940 (1940)
- Spaceways, January 1940 (1940) with Robert W. Lowndes
- 1984 (1951) by George Orwell
- 1984 (1951) by George Orwell (co-reviewed with Robert W. Lowndes)
- A Biological Experiment (1958) by David H. Keller, M.D.
- A Praed Street Dossier (1968) by August Derleth
- A Torrent of Faces (1969) by James Blish and Norman L. Knight
- Adventures in Dimension (1953) by Groff Conklin
- Adventures in Dimension (1953) by Groff Conklin (co-reviewed with Robert W. Lowndes)
- All Our Yesterdays (1970) by Harry Warner, Jr.
- All Our Yesterdays (1970) by Harry Warner, Jr. (co-reviewed with RAWL)
- And Flights of Angels: The Life and Legend of Hannes Bok (1969) by Emil Petaja
- And Flights of Angels: The Life and Legend of Hannes Bok (1969) by Emil Petaja (co-reviewed with RAWL)
- Armageddon - 2419 (1958) by Philip Francis Nowlan
- Beachheads in Space (1952) by August Derleth
- Beachheads in Space (1953) by August Derleth (co-reviewed with RWL)
- Beyond Human Ken (1953) by Judith Merril
- Beyond Human Ken (1953) by Judith Merril (co-reviewed with Robert W. Lowndes)
- Beyond the End of Time (1952) by Frederik Pohl
- Beyond the End of Time (1952) by Frederik Pohl (co-reviewed with Robert W. Lowndes)
- Beyond the Moon (1951) by Edmond Hamilton
- Beyond the Moon (1951) by Edmond Hamilton (co-reviewed with Robert W. Lowndes)
- Beyond Time and Space (1951) by August Derleth
- Beyond Time and Space (1951) by August Derleth (co-reviewed with Robert W. Lowndes)
- Big Book of Science Fiction (1951) by Groff Conklin
- Big Book of Science Fiction (1951) by Groff Conklin (co-reviewed with Robert W. Lowndes)
- Children of Wonder (1954) by William Tenn
- Children of Wonder (1954) by William Tenn (co-reviewed with Robert W. Lowndes)
- Conan the Conqueror (1951) by Robert E. Howard
- Conan the Conqueror (1951) by Robert E. Howard (co-reviewed with Robert W. Lowndes)
- Crashing Suns (1958) by Edmond Hamilton
- Dagon and Other Macabre Tales (1965) by H. P. Lovecraft
- Dagon and Other Macabre Tales (1965) by H. P. Lovecraft (co-reviewed with RAWL)
- Death's Deputy (1949) by L. Ron Hubbard
- Death's Deputy (1949) by L. Ron Hubbard (co-reviewed with Robert W. Lowndes)
- Deeper Than You Think ..., July 1968 (1968) by Joel Frieman and Robert Weinberg
- Dragons and Nightmares (1970) by Robert Bloch
- Dragons and Nightmares (1970) by Robert Bloch (co-reviewed with RAWL)
- Dragons, Elves and Heroes (1971) by Lin Carter
- Earthbound (1953) by Milton Lesser
- Earthbound (1953) by Milton Lesser (co-reviewed with Robert W. Lowndes)
- Edgar Rice Burroughs: Master of Adventure (1969) by Richard A. Lupoff
- Edgar Rice Burroughs: Master of Adventure (1969) by Richard A. Lupoff (co-reviewed with RAWL)
- Editor's Choice in Science Fiction (1955) by Sam Moskowitz
- Editor's Choice in Science Fiction (1955) by Sam Moskowitz (co-reviewed with Robert W. Lowndes)
- Far Boundaries (1952) by August Derleth
- Far Boundaries (1952) by August Derleth (co-reviewed with Robert W. Lowndes)
- Figures of Earth (1969) by James Branch Cabell
- Figures of Earth (1969) by James Branch Cabell (co-reviewed with RAWL)
- Find the Feathered Serpent (1953) by Evan Hunter
- Find the Feathered Serpent (1953) by Evan Hunter (co-reviewed with Robert W. Lowndes)
- Five Against Venus (1953) by Philip Latham
- Five Against Venus (1953) by Philip Latham (co-reviewed with Robert W. Lowndes)
- Five Science Fiction Novels (1952) by Martin Greenberg
- Five Science Fiction Novels (1952) by Martin Greenberg (co-reviewed with Robert W. Lowndes)
- Foundation (1951) by Isaac Asimov
- Foundation (1951) by Isaac Asimov (co-reviewed with RWL)
- Foundation (1952) by Isaac Asimov
- Foundation (1952) by Isaac Asimov (co-reviewed with Robert W. Lowndes)
- Four Dimensional Robberies (1958) by Bob Olsen
- Fury (1951) by Henry Kuttner
- Fury (1951) by Henry Kuttner (co-reviewed with Robert W. Lowndes)
- Future Tense (1953) by Kendell Foster Crossen
- Future Tense (1953) by Kendell Foster Crossen (co-reviewed with Robert W. Lowndes)
- Heinlein in Dimension (1969) by Alexei Panshin
- Heinlein in Dimension (1969) by Alexei Panshin (co-reviewed with RAWL)
- Hell's Pavement (1955) by Damon Knight
- Hell's Pavement (1955) by Damon Knight (co-reviewed with Robert W. Lowndes)
- I, Robot (1952) by Isaac Asimov
- I, Robot (1952) by Isaac Asimov (co-reviewed with Robert W. Lowndes)
- In Search of Wonder (1968) by Damon Knight
- Invaders of Earth (1952) by Groff Conklin
- Invaders of Earth (1952) by Groff Conklin (co-reviewed with Robert W. Lowndes)
- It's Your Atomic Age (1952) by Lester del Rey
- It's Your Atomic Age (1952) by Lester del Rey (co-reviewed with Robert W. Lowndes)
- Jack of Eagles (1952) by James Blish
- Jack of Eagles (1952) by James Blish (co-reviewed with Robert W. Lowndes)
- Journey to Infinity (1951) by Martin Greenberg
- Journey to Infinity (1951) by Martin Greenberg (co-reviewed with Robert W. Lowndes)
- King Conan (1953) by Robert E. Howard
- King Conan (1953) by Robert E. Howard (co-reviewed with RWL)
- Kitten Caboodle (1970) by Barbara Silverberg
- Kitten Caboodle (1970) by Barbara Silverberg (co-reviewed with RAWL)
- Locus, #46 January 12, 1970 (1970) by Charlie Brown
- Locus, #46 January 12, 1970 (1970) by Charlie Brown (co-reviewed with RAWL)
- Marooned on Mars (1953) by Lester del Rey
- Marooned on Mars (1953) by Lester del Rey (co-reviewed with Robert W. Lowndes)
- Masterpieces of Science Fiction (1967) by Sam Moskowitz
- Mission: Interplanetary (1952) by A. E. van Vogt
- Mission: Interplanetary (1952) by A. E. van Vogt (co-reviewed with Robert W. Lowndes)
- Modern Masterpieces of Science Fiction (1966) by Sam Moskowitz
- Monsters Galore (1965) by Bernhardt J. Hurwood
- Monsters Galore (1965) by Bernhardt J. Hurwood (co-reviewed with RAWL)
- More Issues at Hand (1971) by William Atheling, Jr.
- Mystery of the Third Mine (1954) by Robert A. W. Lowndes
- Mystery of the Third Mine (1954) by Robert A. W. Lowndes (co-reviewed with Robert W. Lowndes)
- Nightmare Need (1965) by Joseph Payne Brennan
- Nightmare Need (1965) by Joseph Payne Brennan (co-reviewed with uncredited)
- Nightmares and Daydreams (1969) by Nelson Bond
- Nightmares and Daydreams (1969) by Nelson Bond (co-reviewed with RAWL)
- Number Seven Queer Street (1970) by Margery Lawrence
- Omnibus of Science Fiction (1953) by Groff Conklin
- Omnibus of Science Fiction (1953) by Groff Conklin (co-reviewed with Robert W. Lowndes)
- Other Dimensions (1971) by Clark Ashton Smith
- Out of Space and Time (1942) by Clark Ashton Smith
- Out of Space and Time (1942) by Clark Ashton Smith (co-reviewed with R. W. Lowndes)
- Out of the Sub-Universe (1958) by R. F. Starzl
- Phantastes (1971) by George MacDonald
- Poems in Prose (1965) by Clark Ashton Smith
- Poems in Prose (1965) by Clark Ashton Smith (co-reviewed with RAWL)
- Portraits in Moonlight (1965) by Carl Jacobi
- Portraits in Moonlight (1965) by Carl Jacobi (co-reviewed with RAWL)
- Possible Worlds of Science Fiction (1952) by Groff Conklin
- Possible Worlds of Science Fiction (1952) by Groff Conklin (co-reviewed with Robert W. Lowndes)
- Prisoner in the Skull (1953) by Charles Dye
- Prisoner in the Skull (1953) by Charles Dye (co-reviewed with Robert W. Lowndes)
- Prize Science Fiction (1954) by Donald A. Wollheim
- Prize Science Fiction (1954) by Donald A. Wollheim (co-reviewed with Robert W. Lowndes)
- Renaissance (1952) by Raymond F. Jones
- Renaissance (1952) by Raymond F. Jones (co-reviewed with Robert W. Lowndes)
- Riverside Quarterly, January 1970 (1970) by Leland Sapiro
- Riverside Quarterly, January 1970 (1970) by Leland Sapiro (co-reviewed with RAWL)
- Rogue Queen (1953) by L. Sprague de Camp
- Rogue Queen (1953) by L. Sprague de Camp (co-reviewed with Robert W. Lowndes)
- Science Fiction by Gaslight (1969) by Sam Moskowitz
- Science Fiction Handbook (1953) by L. Sprague de Camp
- Science Fiction Handbook (1953) by L. Sprague de Camp (co-reviewed with RWL)
- Science Fiction Omnibus (1952) by Everett F. Bleiler and T. E. Dikty
- Science Fiction Omnibus (1952) by Everett F. Bleiler and T. E. Dikty (co-reviewed with Robert W. Lowndes)
- Science Fiction, Fantasy and Weird Fiction Magazines (1986) by Marshall B. Tymn and Mike Ashley
- Second Foundation (1953) by Isaac Asimov
- Second Foundation (1953) by Isaac Asimov (co-reviewed with RWL)
- Seekers of Tomorrow (1966) by Sam Moskowitz
- Seetee Ship (1953) by Will Stewart (co-reviewed with Damon Knight)
- Seetee Ship (1953) by Will Stewart (co-reviewed with uncredited)
- Selected Letters II / 1925-1929 (1968) by H. P. Lovecraft
- Selected Letters II / 1925-1929 (1968) by H. P. Lovecraft (co-reviewed with RAWL)
- SF Commentary, #3 (1970) by Bruce R. Gillespie
- SF Commentary, #3 (1970) by Bruce R. Gillespie (co-reviewed with RAWL)
- Shadows of Ecstasy (1951) by Charles Williams
- Shadows of Ecstasy (1951) by Charles Williams (co-reviewed with Robert W. Lowndes)
- Shot in the Dark (1950) by Judith Merril
- Shot in the Dark (1950) by Judith Merril (co-reviewed with Robert W. Lowndes)
- Sidewise in Time (1950) by Murray Leinster
- Sidewise in Time (1950) by Murray Leinster (co-reviewed with Robert W. Lowndes)
- Solitary Hunters and The Abyss (1948) by David H. Keller, M.D.
- Solitary Hunters and The Abyss (1948) by David H. Keller, M.D. (co-reviewed with Robert W. Lowndes)
- Something Breathing (1966) by Stanley McNail
- Something Breathing (1966) by Stanley McNail (co-reviewed with RAWL)
- Son of the Stars (1953) by Raymond F. Jones
- Son of the Stars (1953) by Raymond F. Jones (co-reviewed with Robert W. Lowndes)
- Space War (1968) by Neil R. Jones
- Speculation, September/October 1969 (1970) by Peter R. Weston
- Speculation, September/October 1969 (1970) by Peter R. Weston (co-reviewed with RAWL)
- Star Science Fiction Stories (1953) by Frederik Pohl
- Star Science Fiction Stories (1953) by Frederik Pohl (co-reviewed with Robert W. Lowndes)
- Strange Gateways (1968) by E. Hoffmann Price
- Strange Gateways (1968) by E. Hoffmann Price (co-reviewed with RAWL)
- Super-Radio (1958) by Charles Cloukey
- Tales from Underwood (1952) by David H. Keller, M.D. (co-reviewed with Robert W. Lowndes)
- Tales from Underworld (1952) by David H. Keller, M.D.
- Tales of Conan (1956) by L. Sprague de Camp and Robert E. Howard (co-reviewed with Damon Knight)
- Tales of Science and Sorcery (1965) by Clark Ashton Smith
- Tales of Science and Sorcery (1965) by Clark Ashton Smith (co-reviewed with RAWL)
- Tales of the Cthulhu Mythos (1970) by August Derleth
- Tales of the Cthulhu Mythos (1970) by August Derleth (co-reviewed with RAWL)
- Ten Days To Live (1958) by C. J. Eustace
- The Arkham Collector, Summer 1968 (1968) by August Derleth
- The Astounding Science Fiction Anthology (1952) by John W. Campbell, Jr.
- The Astounding Science Fiction Anthology (1952) by John W. Campbell, Jr. (co-reviewed with Robert W. Lowndes)
- The Blue Cross (1970) by G. K. Chesterton
- The Blue Cross (1970) by G. K. Chesterton (co-reviewed with uncredited)
- The Blue Dimension (1958) by Francis Flagg
- The Complete Prophecies of Nostradamus (1952) by Henry C. Roberts (co-reviewed with L. Sprague de Camp)
- The Complete Prophecies of Nostradamus (1952) by Henry C. Roberts (co-reviewed with L. Sprague de Camp and Robert W. Lowndes)
- The Dark Brotherhood (1966) by H. P. Lovecraft and August Derleth
- The Dark Brotherhood (1966) by H. P. Lovecraft and August Derleth (co-reviewed with RAWL)
- The Double:Bill Symposium (1971) by Lloyd Biggle, Jr.
- The Double:Bill Symposium (1971) by Bill Mallardi and Bill Bowers and Lloyd Biggle, Jr. (co-reviewed with RAWL)
- The Educated Pill (1958) by Bob Olsen
- The Folsom Flint (1970) by David H. Keller
- The Folsom Flint (1970) by David H. Keller (co-reviewed with RAWL)
- The Golden Girl of Munan (1958) by Harl Vincent
- The Greater Trumps (1951) by Charles Williams
- The Greater Trumps (1951) by Charles Williams (co-reviewed with Robert W. Lowndes)
- The Green Round (1968) by Arthur Machen
- The Green Round (1968) by Arthur Machen (co-reviewed with RAWL)
- The High Place (1971) by James Branch Cabell
- The Humanoids (1951) by Jack Williamson
- The Humanoids (1951) by Jack Williamson (co-reviewed with Robert W. Lowndes)
- The Index to the Science-Fantasy Publishers (1967) by Mark Owings and Jack L. Chalker
- The Innocence of Father Brown (1970) by G. K. Chesterton
- The Innocence of Father Brown (1970) by G. K. Chesterton (co-reviewed with uncredited)
- The Island of Captain Sparrow (1951) by S. Fowler Wright
- The Island of Captain Sparrow (1951) by S. Fowler Wright (co-reviewed with Robert W. Lowndes)
- The Little Monsters (1970) by Roger Elwood and Vic Ghidalia
- The Little Monsters (1970) by Roger Elwood and Vic Ghidalia (co-reviewed with RAWL)
- The Man Who Called Himself Poe (1970) by Sam Moskowitz
- The Man Who Called Himself Poe (1970) by Sam Moskowitz (co-reviewed with RAWL)
- The Man Who Sold the Moon (1951) by Robert A. Heinlein
- The Man Who Sold the Moon (1951) by Robert A. Heinlein (co-reviewed with Robert W. Lowndes)
- The Master Ants (1958) by Francis Flagg
- The Menace (1958) by David H. Keller, M.D.
- The Mind Parasites (1967) by Colin Wilson
- The Moon of Skulls (1970) by Robert E. Howard
- The Moon of Skulls (1970) by Robert E. Howard (co-reviewed with RAWL)
- The Multi-Man (1968) by Philip Harbottle
- The Necronomicon, A Study (1968) by Mark Owings
- The Octopus Cycle (1958) by Fletcher Pratt and Irvin Lester
- The Outer Reaches (1952) by August Derleth
- The Outer Reaches (1952) by August Derleth (co-reviewed with Robert W. Lowndes)
- The Perambulating Home (1958) by Clement Fezandié
- The Planet of the Double Sun (1968) by Neil R. Jones
- The Remarkable Exploits of Lancelot Biggs: Spaceman (1951) by Nelson Bond
- The Remarkable Exploits of Lancelot Biggs: Spaceman (1951) by Nelson Bond (co-reviewed with Robert W. Lowndes)
- The Scandal of Father Brown (1970) by G. K. Chesterton
- The Scandal of Father Brown (1970) by G. K. Chesterton (co-reviewed with uncredited)
- The Science Fictional Sherlock Holmes (1970) by Robert C. Peterson
- The Silver Stallion (1969) by James Branch Cabell
- The Silver Stallion (1969) by James Branch Cabell (co-reviewed with RAWL)
- The Skylark of Space (Part 1 of 3) (1958) by Edward E. Smith and Lee Hawkins Garby
- The Stars, Like Dust (1952) by Isaac Asimov
- The Stars, Like Dust (1952) by Isaac Asimov (co-reviewed with Robert W. Lowndes)
- The Sunken World (1958) by Stanton A. Coblentz
- The Sunless World (1968) by Neil R. Jones
- The Sword of Conan (1952) by Robert E. Howard
- The Sword of Conan (1952) by Robert E. Howard (co-reviewed with RWL)
- The Thirty-First of February (1949) by Nelson Bond
- The Thirty-First of February (1949) by Nelson Bond (co-reviewed with Robert W. Lowndes)
- The Voyage of the Space Beagle (1951) by A. E. van Vogt
- The Voyage of the Space Beagle (1951) by A. E. van Vogt (co-reviewed with Robert W. Lowndes)
- The Wisdom of Father Brown (1970) by G. K. Chesterton
- The Wisdom of Father Brown (1970) by G. K. Chesterton (co-reviewed with uncredited)
- The World of Null-A (1951) by A. E. van Vogt
- The World of Null-A (1951) by A. E. van Vogt (co-reviewed with Robert W. Lowndes)
- The Young Magicians (1971) by Lin Carter
- Thirty Years of Arkham House, 1939-1969 (1971) by August Derleth
- Three Stories (1967) by Sam Moskowitz
- Tolkien: A Look Behind "The Lord of the Rings" (1970) by Lin Carter
- Tolkien: A Look Behind "The Lord of the Rings" (1970) by Lin Carter (co-reviewed with RAWL)
- Tomorrow, the Stars (1952) by Robert A. Heinlein
- Tomorrow, the Stars (1952) by Robert A. Heinlein (co-reviewed with Robert W. Lowndes)
- Travellers by Night (1968) by August Derleth
- Travellers by Night (1968) by August Derleth (co-reviewed with RAWL)
- Under the Moons of Mars: A History and Anthology of "The Scientific Romance" in the Munsey Magazines, 1912-1920 (1971) by Sam Moskowitz
- Under the Moons of Mars: A History and Anthology of "The Scientific Romance" in the Munsey Magazines, 1912-1920 (1971) by Sam Moskowitz (co-reviewed with RAWL)
- Vandals from the Moon (1958) by Steve Benedict
- Weirdbook One (1968) by W. Paul Ganley
- Weirdbook Two (1970) by W. Paul Ganley
- Weirdbook Two (1970) by W. Paul Ganley (co-reviewed with RAWL)
- Witches Three (1953) by Fletcher Pratt
- Witches Three (1953) by Fletcher Pratt (co-reviewed with Robert W. Lowndes)
- World of Wonder (1953) by Fletcher Pratt
- World of Wonder (1953) by Fletcher Pratt (co-reviewed with Robert W. Lowndes)
- Worlds of Tomorrow (1953) by August Derleth
- Worlds of Tomorrow (1953) by August Derleth (co-reviewed with Robert W. Lowndes)
- Zothique (1971) by Clark Ashton Smith
Non-Genre Titles
Magazine Editor
- Famous Western - 1951 (1951)
- Famous Western - 1951 (1951) with Robert W. Lowndes
- Smashing Detective Stories (1955) with Robert W. Lowndes
- Smashing Detective Stories - 1955 (1955)
- Sports Fiction, July 1948 (unknown)