| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1955 |
|
Fantastic Universe, October 1955 | King-Size Publications, Inc. | MAGAZINE | 48 |
| February 1956 |
|
Alternating Currents | Ballantine Books | Collection | 83 |
| February 1956 |
|
Alternating Currents | Ballantine Books | Collection | 83 |
| 1958 | Siluetas del futuro | E.D.H.A.S.A. | Collection | 129 | |
| November 1964 |
|
Zehn aus dem All | Pabel | Novel | 57 |
| March 1966 |
|
Alternating Currents | Penguin Books | Collection | 113 |
| July 1969 |
|
Alternating Currents | Ballantine Books | Collection | 83 |
| June 1976 |
|
In the Problem Pit | Bantam Books | Collection | 106 |
| October 1976 |
|
In the Problem Pit | Corgi | Collection | 106 |
| 1979 |
|
Alternating Currents | Penguin Books | Collection | 113 |