| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1960 |
|
Galaxy Magazine, February 1960 | Galaxy Publishing Corporation | MAGAZINE | 38 |
| March 1960 |
|
Galaxy Magazine, No. 78 | Strato Publications | MAGAZINE | 36 |
| April 2016 | Meeting of the Minds | Project Gutenberg | Chapbook | ||
| 2020 |
|
Black Infinity, Summer 2020 | Rocket Science Books | MAGAZINE | 27 |