| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| June 1955 |
|
Galaxy Science Fiction, June 1955 | Galaxy Publishing Corporation | MAGAZINE | 30 |
| September 1955 |
|
Galaxy Science Fiction, No. 30 | Strato Publications | MAGAZINE | 28 |
| April 2016 | Preferred Risk | Project Gutenberg | Novel |