| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1939 |
|
Unknown, October 1939 | Street & Smith Publications, Inc. | MAGAZINE | 89 |
| 1948 |
|
From Unknown Worlds | Street & Smith Publications, Inc. | Anthology | 71 |
| 1952 |
|
From Unknown Worlds | Atlas Publishing and Distribution Co. Ltd | Anthology | 69 |
| 1952 |
|
From Unknown Worlds | Atlas Publishing and Distribution Co. Ltd | Anthology | 69 |
| February 1975 |
|
Early del Rey | Doubleday | Collection | 25 |
| August 1975 |
|
Early del Rey | Doubleday / SFBC | Collection | 31 |
| August 1976 |
|
The Early del Rey: Volume 1 | Ballantine Books | Collection | 39 |
| August 1976 |
|
The Early del Rey: Volume 1 | Ballantine Books | Collection | 39 |
| February 2010 |
|
Robots & Magic | NESFA Press | Collection | 533 |