| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1958 |
|
New Worlds Science Fiction, November 1958 | Nova Publications Ltd. | MAGAZINE | 45 |
| July 1959 |
|
No Time Like Tomorrow | Signet / New American Library | Collection | 47 |
| July 1963 |
|
Galassia, #31 | Casa Editrice La Tribuna | MAGAZINE | 56 |
| 1969 |
|
Monsterlijke uitdaging | Born | Collection | 55 |
| April 1971 |
|
No Time Like Tomorrow | Signet / New American Library of Canada | Collection | 47 |
| November 1976 |
|
No Time Like Tomorrow | Signet / New American Library of Canada | Collection | 47 |
| October 2013 |
|
The Complete Short Stories: The 1950s | The Friday Project | Collection | 441 |