Publications (4)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| October 1960 | Galaxy Magazine, October 1960 | Galaxy Publishing Corporation | MAGAZINE | 162 |
| October 1960 | Galaxy Magazine, October 1960 | Strato Publications | MAGAZINE | 163 |
| April 2016 | The Immortals | Project Gutenberg | Chapbook | |
| June 2020 | The Immortals | Chapbook |