| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1959 |
|
Galaxy Magazine, April 1959 | Galaxy Publishing Corporation | MAGAZINE | 60 |
| May 1959 |
|
Galaxy, No. 73 | Strato Publications | MAGAZINE | 54 |
| March 2016 | Security Plan | Project Gutenberg | Chapbook |