| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1956 |
|
Astounding Science Fiction, July 1956 | Street & Smith Publications, Inc. | MAGAZINE | 21 |
| December 1956 |
|
Astounding Science Fiction, December 1956 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 17 |
| August 2022 | Critical Difference | Project Gutenberg | Chapbook |