Astounding Stories, February 1931, illustrated by H. W. Wesso.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1931 |
|
Astounding Stories, February 1931 | Reader's Guild | MAGAZINE | 212 |
| September 2009 | Astounding Stories, February 1931 | Project Gutenberg | Anthology | 212 | |
| September 2010 |
|
The Astounding Adventures of Dr. Bird | Resurrected Press | Collection | 153 |
| June 2015 |
|
Astounding Stories, February 1931 | LibriVox | Anthology | |3 |