- Author: Gregg Calkins Author Record # 63641
- Legal Name: Calkins, William Gregg
- Birthdate: 4 November 1934
- Deathdate: 31 July 2017
- Language: English
- Webpages: Fancyclopedia 3, file770.com
- Note: Edited the fanzine Oopsla 1952-1961. Fan GoH at the 1976 Westercon.
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Poem Series Poems Essays
- Letter (Fantastic Novels Magazine, April 1951): Always an F. N. Fan (1951)
- Letter (Super Science Stories, April 1951) (1951)
- Letter (Famous Fantastic Mysteries, December 1951): Congratulations to F.F.M. (1951)
- Letter (The Voyage of the SF52, March 1952) (1952)
- Letter (Startling Stories, April 1952): Tagging Along (1952)
- Letter (The Voyage of the SF52, April 1952) (1952)
- Schnorkel (The Voyage of the SF52, April 1952) (1952)
- Letter (Astounding, July 1952) (1952)
- Letter (Fantastic Story Magazine, Summer 1952): Appreciation (1952)
- Letter (Startling Stories, July 1952): Oops—It's Oopsla (1952)
- Letter (Famous Fantastic Mysteries, August 1952): A Friend Through the Years (1952)
- Letter (Startling Stories, August 1952): Unalloyed Joy (1952)
- Letter (Fantastic Story Magazine, Fall 1952): Geologic Aberration (1952)
- Letter (Startling Stories, September 1952): Oopsla (1952)
- Letter (Startling Stories, October 1952): Political Note (1952)
- Letter (Fantastic Story Quarterly, July 1953): Oopsla (1953)
- Letter to Psychotic, June 1954 (1954)
- Letter to Psychotic, November 1954 (1954)
- Why I Don't Go to Frisco (1955)
- Letter (Now & Then 7, June 1956) (1956)
- The Most Forgettable Character I've Met (1956)
- Letter to Science Fiction Review, April 1970 (1970)
- Letter (Science Fiction Review, August 1970) (1970)
- Letter (Science Fiction Review, March 1971) (1971)
- Letter (Algol 21, November 1973) (1973)
- He Was an Old Fan...and Tired (2007)
- Letter (Trap Door, February 2008) (2008)
- Cheap Bourbon and Injun Talk (2010)
- Letter (Trap Door, December 2010) (2010)
- Letter (Trap Door, December 2012) (2012)