Operation: Gravity
| First published | October 1953 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1953 |
|
Science-Fiction Plus, October 1953 | Gernsback Publications, Inc. | MAGAZINE | 22 |
| 1971 |
|
People Machines | Ace Books | Collection | 68 |
| June 1978 |
|
The Best of Jack Williamson | Del Rey / Ballantine | Collection | 316 |
| March 1979 |
|
Urania #775 | Mondadori | MAGAZINE | 96 |
| June 1980 |
|
Die besten Stories von Jack Williamson | Moewig | Collection | 351 |
| January 1984 |
|
The Best of Jack Williamson | Del Rey / Ballantine | Collection | 316 |
| February 1993 |
|
La Stazione della Stella Morta | Mondadori | Collection | 305 |
| May 1993 |
|
La Stazione della Stella Morta | Mondadori | Collection | 305 |
| May 2010 |
|
With Folded Hands ... And Searching Mind | Haffner Press | Collection | 451 |