| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1953 |
|
E Pluribus Unicorn | Abelard Press | Collection | 1 |
| 1953 |
|
E Pluribus Unicorn | Nelson, Foster & Scott | Collection | 1 |
| November 1953 |
|
The Magazine of Fantasy and Science Fiction, November 1953 | Fantasy House, Inc. | MAGAZINE | 104 |
| November 1956 |
|
E Pluribus Unicorn | Ballantine Books | Collection | 1 |
| 1960 |
|
E Pluribus Unicorn | Abelard-Schuman | Collection | 1 |
| March 1960 |
|
Fiction, #76 | OPTA | MAGAZINE | 26 |
| March 1961 |
|
E Pluribus Unicorn | Panther | Collection | 9 |
| June 1963 |
|
E Pluribus Unicorn | Panther | Collection | 9 |
| June 1965 |
|
E Pluribus Unicorn | Ballantine Books | Collection | 1 |
| June 1965 |
|
E Pluribus Unicorn | Ballantine Books | Collection | 1 |
| 1968 |
|
E Pluribus Unicorn | Panther | Collection | 9 |
| 1969 |
|
E Pluribus Unicorn | Panther | Collection | 9 |
| January 1970 |
|
E Pluribus Unicorn | Ballantine Books | Collection | 1 |
| January 1970 |
|
Nueva Dimensión 13 | Dronte | MAGAZINE | 14 |
| October 1973 |
|
Phoenix Feathers: A Collection of Mythical Monsters | E. P. Dutton | Anthology | 116 |
| 1977 |
|
Phantasmagoria: Tales of Fantasy and the Supernatural | Anchor Books | Anthology | 100 |
| August 1977 |
|
E Pluribus Unicorn | Pocket Books | Collection | 1 |
| August 1977 |
|
E Pluribus Unicorn | Pocket Books | Collection | 1 |
| December 1978 |
|
Magira, #31 | EDFC | MAGAZINE | 8 |
| November 1979 |
|
E Pluribus Unicorn | Pocket Books | Collection | 1 |
| March 1981 |
|
La sorcière du marais | Néo | Collection | 85 |
| May 1982 |
|
Unicorns! | Ace Books | Anthology | 29 |
| November 1982 |
|
Unicorns! | Ace Books | Anthology | 29 |
| October 1983 |
|
The Fantasy Hall of Fame | Arbor House | Anthology | 296 |
| February 1984 |
|
E Pluribus Unicorn | Timescape / Pocket Books | Collection | 1 |
| May 1984 |
|
La sorcière du marais | Néo | Collection | 85 |
| June 1984 |
|
Unicorns! | Ace Books | Anthology | 29 |
| October 1984 |
|
Unicorns! | Ace Books | Anthology | 31 |
| 1985 |
|
The Best Fantasy Stories from the Magazine of Fantasy & Science Fiction | Octopus Books | Anthology | 274 |
| January 1985 |
|
Aus vielen Ein horn | Goldmann | Collection | 13 |
| September 1985 |
|
Einhörner | Moewig | Anthology | 7 |
| December 1985 |
|
E Pluribus Unicorn | Fanucci Editore | Collection | 11 |
| May 1986 |
|
Mythical Beasties | Signet / New American Library | Anthology | 309 |
| 1987 |
|
Die schönsten Einhorn-Geschichten | Moewig | Anthology | 7 |
| 1988 |
|
Mythic Beasts | Robinson | Anthology | |
| May 1988 |
|
Masterpieces of Fantasy and Enchantment | Nelson Doubleday / SFBC | Anthology | 261 |
| June 1988 |
|
The Mammoth Book of Fantasy All-Time Greats | Robinson | Anthology | 296 |
| December 1988 |
|
Masterpieces of Fantasy and Enchantment | St. Martin's Press | Anthology | 261 |
| July 1990 |
|
The Mammoth Book of Fantasy All-Time Greats | Robinson | Anthology | 296 |
| 1991 |
|
Great Tales of Fantasy and Science Fiction | Chancellor Press | Anthology | 274 |
| February 1994 |
|
The Oxford Book of Fantasy Stories | Oxford University Press | Anthology | 195 |
| March 1994 |
|
The Oxford Book of Fantasy Stories | Oxford University Press, USA | Anthology | 195 |
| 1995 |
|
The Oxford Book of Fantasy Stories | Oxford University Press | Anthology | 195 |
| February 1996 |
|
Masterpieces of Fantasy and Enchantment | GuildAmerica Books / SFBC | Anthology | 261 |
| February 1998 |
|
La sorcière du marais | Les Belles Lettres | Collection | 85 |
| March 1998 |
|
The Fantasy Hall of Fame | HarperPrism | Anthology | 225 |
| August 1998 |
|
The Fantasy Hall of Fame | HarperPrism / SFBC | Anthology | 225 |
| October 1999 |
|
La fuente del unicornio | Plaza & Janés | Collection | 17 |
| August 2000 |
|
Avventure nell'ignoto | Mondadori | Anthology | 283 |
| October 2000 |
|
A Saucer of Loneliness | North Atlantic Books | Collection | 277 |
| September 2002 |
|
A Saucer of Loneliness | North Atlantic Books | Collection | 277 |
| 2003 |
|
The Oxford Book of Fantasy Stories | Oxford University Press | Anthology | 195 |
| April 2003 |
|
The Oxford Book of Fantasy Stories | Oxford University Press | Anthology | 195 |
| 2004 |
|
Great Fantasy | W. H. Smith | Anthology | 296 |
| March 2013 |
|
Unicorns! | Baen Books | Anthology | |
| April 2013 |
|
A Saucer of Loneliness | North Atlantic Books | Collection | |277 |
| September 2013 |
|
A Saucer of Loneliness | Gateway / Orion | Collection |