| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1953 |
|
Ahead of Time | Ballantine Books | Collection | 12 |
| July 1953 |
|
Ahead of Time | Ballantine Books | Collection | 12 |
| 1954 |
|
Ahead of Time | Weidenfeld & Nicolson | Collection | 22 |
| 1964 |
|
Ahead of Time | Four Square Books | Collection | 15 |
| October 1966 |
|
Ahead of Time | Ballantine Books | Collection | 12 |
| October 1967 |
|
Ahead of Time | Four Square Books | Collection | 15 |
| November 1988 |
|
Robert Silverberg's Worlds of Wonder | Victor Gollancz | Anthology | 136 |
| November 1988 |
|
Robert Silverberg's Worlds of Wonder | VGSF / Victor Gollancz | Anthology | 136 |
| March 2001 |
|
Science Fiction: 101 | ibooks | Anthology | 210 |
| October 2005 |
|
Science Fiction: 101 | ibooks | Anthology | 210 |
| March 2010 |
|
The Graveyard Rats and Other Stories | Wonder Audiobooks | Collection | 185 |
| May 2014 |
|
Science Fiction: 101: Exploring the Craft of Science Fiction | Roc / New American Library | Anthology | 187 |
| May 2014 |
|
Science Fiction: 101: Exploring the Craft of Science Fiction | Open Road Integrated Media | Anthology | |187 |
| August 2014 |
|
Ahead of Time | Diversion Books | Collection |