| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1954 |
|
Galaxy Science Fiction, November 1954 | Galaxy Publishing Corporation | MAGAZINE | 134 |
| April 1955 |
|
Galaxy Science Fiction, No. 25 | Strato Publications | MAGAZINE | 104 |
| January 2016 | Big Ancestor | Project Gutenberg | Chapbook |