| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1963 |
|
Gamma, 1 | Star Press, Inc. | MAGAZINE | 63 |
| November 1963 |
|
Impact-20 | Paperback Library | Collection | 153 |
| 1966 |
|
Impact-20 | Corgi | Collection | 153 |
| June 1966 |
|
Impact 20 | Paperback Library | Collection | 153 |
| June 1966 |
|
Impact 20 | Paperback Library | Collection | 153 |
| 1969 |
|
Impact 18: De schok van het ongewone | Het Spectrum | Collection | 154 |
| August 1974 |
|
Alien Horizons | Pocket Books | Collection | 150 |
| August 1974 |
|
Alien Horizons | Pocket Books | Collection | 150 |
| March 1977 |
|
Wonderworlds | Gollancz | Collection | 101 |
| November 1977 |
|
Wonderworlds | Readers Union / The Science Fiction Book Club (UK) | Collection | 101 |
| May 1979 |
|
Wonderworlds | Corgi Books / Transworld Publishers | Collection | 100 |
| 2002 |
|
Impact 20 | Gauntlet Press | Collection | 195 |
| April 2005 |
|
Wild Galaxy: Selected Science Fiction Stories | Golden Gryphon Press | Collection | 121 |