| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1962 |
|
The Magazine of Fantasy and Science Fiction, July 1962 | Mercury Press, Inc. | MAGAZINE | 80 |
| February 1963 |
|
Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 |
| February 1963 |
|
Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 |
| July 1965 |
|
L'altare a mezzanotte: 50 racconti di fantascienza | Casa Editrice La Tribuna | Anthology | 491 |
| 1966 |
|
Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 |
| 1968 |
|
Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 |
| 1969 |
|
Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 |
| 1971 |
|
Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 |
| 1973 | Speculations | Ginn and Company | Anthology | ||
| 1973 | Speculations | Glencoe Press | Anthology | ||
| 1973 |
|
Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 |
| 1973 |
|
Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 |
| 1973 | Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 | |
| 1974 |
|
Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 |
| 1975 |
|
Galaktika 13: Tudományos-fantasztikus antológia | Kozmosz Könyvek | Anthology | 110 |
| 1976 |
|
Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 |
| 1976 |
|
Andromeda almanah naučne fantastike sf1 | BIGZ | Omnibus | 318 |
| 1978 |
|
Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 |
| 1979 |
|
Fifty Short Science Fiction Tales | Collier Books | Anthology | 287 |
| April 1984 |
|
The Unicorn Trade | Tor | Collection | 86 |
| August 1997 |
|
Fifty Short Science Fiction Tales | Scribner Paperback Fiction | Anthology | |
| December 2014 |
|
The Unicorn Trade | Open Road Integrated Media | Collection |