| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1963 |
|
Galaxy Magazine, April 1963 | Galaxy Publishing Corporation | MAGAZINE | 139 |
| July 1963 |
|
Galaxy Magazine, July 1963 | Strato Publications | MAGAZINE | 139 |
| January 2016 | On the Fourth Planet | Project Gutenberg | Chapbook |