| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1931 |
|
Astounding Stories, February 1931 | Reader's Guild | MAGAZINE | 228 |
| September 2009 | Astounding Stories, February 1931 | Project Gutenberg | Anthology | 228 | |
| June 2015 |
|
Astounding Stories, February 1931 | LibriVox | Anthology | |4 |