| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1956 |
|
Galaxy Science Fiction, April 1956 | Galaxy Publishing Corporation | MAGAZINE | 25 |
| June 1956 |
|
Galaxy Science Fiction, No. 39 | Strato Publications | MAGAZINE | 22 |
| February 2016 | Swenson, Dispatcher | Project Gutenberg | Chapbook |