Publications (3)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| March 1960 | If, March 1960 | Digest Productions Corporation | MAGAZINE | 58|58.1 |
| March 1960 | If, No. 3 | Strato Publications | MAGAZINE | 58|58.1 |
| December 2019 | The Upside-Down Captain | Project Gutenberg | Chapbook |