Notes
Probably written between May and July 1939, according to Paul Williams' story notes in The Ultimate Egoist. Winner of the 1947 British Argosy prize.
Publications (46)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| May 1947 | Argosy, May 1947 | The Amalgamated Press | MAGAZINE | 3 |
| 1951 | In the Grip of Terror | Permabooks | Anthology | 122 |
| 1953 | E Pluribus Unicorn | Abelard Press | Collection | 38 |
| 1953 | E Pluribus Unicorn | Nelson, Foster & Scott | Collection | 38 |
| June 1956 | Argosy, June 1956 | The Amalgamated Press | MAGAZINE | 65 |
| November 1956 | E Pluribus Unicorn | Ballantine Books | Collection | 30 |
| 1960 | E Pluribus Unicorn | Abelard-Schuman | Collection | 38 |
| May 1960 | Shock—The Magazine of Terrifying Tales, May 1960 | Winston Publications | MAGAZINE | 14 |
| March 1961 | E Pluribus Unicorn | Panther | Collection | 34 |
| June 1963 | E Pluribus Unicorn | Panther | Collection | 34 |
| June 1965 | E Pluribus Unicorn | Ballantine Books | Collection | 30 |
| June 1965 | E Pluribus Unicorn | Ballantine Books | Collection | 30 |
| 1968 | E Pluribus Unicorn | Panther | Collection | 34 |
| 1969 | E Pluribus Unicorn | Panther | Collection | 34 |
| November 1969 | The Unspeakable People | Leslie Frewin | Anthology | 134 |
| January 1970 | E Pluribus Unicorn | Ballantine Books | Collection | 30 |
| 1974 | The Unspeakable People | Ensign Books | Anthology | 134 |
| November 1974 | A Shocking Thing | Pocket Books | Anthology | 21 |
| November 1974 | A Shocking Thing | Pocket Books | Anthology | 21 |
| 1975 | The Unspeakable People | Everest Books | Anthology | 134 |
| 1976 | Theodore Sturgeon Reads His Stories | Alternate World Recordings | Collection | |1 |
| 1977 | Nighttouch | St. Martin's Press | Anthology | 126 |
| 1977 | Nighttouch | General Publishing | Anthology | 126 |
| August 1977 | E Pluribus Unicorn | Pocket Books | Collection | 30 |
| August 1977 | E Pluribus Unicorn | Pocket Books | Collection | 30 |
| November 1979 | E Pluribus Unicorn | Pocket Books | Collection | 30 |
| May 1981 | The Arbor House Treasury of Horror and the Supernatural | Priam Books / Arbor House | Anthology | 238 |
| May 1981 | The Arbor House Treasury of Horror and the Supernatural | Arbor House | Anthology | 238 |
| February 1984 | E Pluribus Unicorn | Timescape / Pocket Books | Collection | 30 |
| 1985 | Great Tales of Horror & the Supernatural | Galahad Books | Anthology | 238 |
| 1985 | Great Tales of Horror & the Supernatural | Castle Books | Anthology | 238 |
| June 1988 | Great Tales of Horror & the Supernatural | Galahad Books | Anthology | 238 |
| October 1991 | Classic Tales of Horror and the Supernatural | Quill / William Morrow | Anthology | 238 |
| November 1991 | The Giant Book of Horror Stories | Magpie Books | Anthology | 238 |
| August 1993 | Masterpieces of Terror and the Unknown | GuildAmerica Books / SFBC | Anthology | 162 |
| 1994 | Great Tales of Horror & the Supernatural | Galahad Books | Anthology | 238 |
| June 1994 | Masterpieces of Terror and the Unknown | St. Martin's Press | Anthology | 162 |
| February 1995 | The Ultimate Egoist | North Atlantic Books | Collection | 217 |
| November 1998 | The Ultimate Egoist | North Atlantic Books | Collection | 217 |
| October 2000 | Selected Stories | Vintage Books | Collection | 109 |
| October 2010 | Masters of Horror & the Supernatural: The Great Tales | Bristol Park Books | Anthology | |
| November 2010 | The Ultimate Egoist | North Atlantic Books | Collection | |
| January 2012 | The Century's Best Horror Fiction 1901-1950 | Cemetery Dance Publications | Anthology | 679 |
| April 2013 | Selected Stories | Open Road Integrated Media | Collection | |4 |
| April 2013 | Selected Stories | Open Road Integrated Media | Collection | |4 |
| September 2013 | The Ultimate Egoist | Gateway / Orion | Collection |