First appeared in the May 1949 issue of "Zane Grey's Western Magazine".
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1953 |
|
E Pluribus Unicorn | Abelard Press | Collection | 127 |
| 1953 |
|
E Pluribus Unicorn | Nelson, Foster & Scott | Collection | 127 |
| November 1956 |
|
E Pluribus Unicorn | Ballantine Books | Collection | 100 |
| 1960 |
|
E Pluribus Unicorn | Abelard-Schuman | Collection | 127 |
| March 1961 |
|
E Pluribus Unicorn | Panther | Collection | 94 |
| June 1963 |
|
E Pluribus Unicorn | Panther | Collection | 94 |
| June 1965 |
|
E Pluribus Unicorn | Ballantine Books | Collection | 100 |
| June 1965 |
|
E Pluribus Unicorn | Ballantine Books | Collection | 100 |
| 1968 |
|
E Pluribus Unicorn | Panther | Collection | 94 |
| 1969 |
|
E Pluribus Unicorn | Panther | Collection | 94 |
| January 1970 |
|
E Pluribus Unicorn | Ballantine Books | Collection | 100 |
| 1973 |
|
Sturgeon's West | Doubleday / BCE | Collection | 37 |
| February 1973 |
|
Sturgeon's West | Doubleday | Collection | 37 |
| August 1977 |
|
E Pluribus Unicorn | Pocket Books | Collection | 100 |
| August 1977 |
|
E Pluribus Unicorn | Pocket Books | Collection | 100 |
| January 1978 |
|
Le livre d'or de la Science-Fiction: Theodore Sturgeon | Presses Pocket | Collection | 131 |
| November 1979 |
|
E Pluribus Unicorn | Pocket Books | Collection | 100 |
| July 1981 |
|
Le livre d'or de la Science-Fiction: Theodore Sturgeon | Presses Pocket | Collection | 131 |
| February 1984 |
|
E Pluribus Unicorn | Timescape / Pocket Books | Collection | 100 |
| January 1985 |
|
Aus vielen Ein horn | Goldmann | Collection | 145 |
| December 1985 |
|
E Pluribus Unicorn | Fanucci Editore | Collection | 169 |
| November 1991 |
|
Un soupçon d'étrange | Presses Pocket | Collection | 131 |
| November 1998 |
|
The Perfect Host | North Atlantic Books | Collection | 215 |
| October 1999 |
|
La fuente del unicornio | Plaza & Janés | Collection | 174 |
| September 2000 |
|
The Perfect Host | North Atlantic Books | Collection | 215 |
| April 2013 |
|
The Perfect Host | North Atlantic Books | Collection | |12 |
| July 2013 |
|
The Perfect Host | Gateway / Orion | Collection |