| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1930 |
|
Astounding Stories of Super-Science, September 1930 | Publishers' Fiscal Corp | MAGAZINE | 408 |
| June 2009 | Astounding Stories of Super-Science, September 1930 | Project Gutenberg | Anthology | 408 | |
| November 2009 |
|
Astounding Stories of Super-Science, September 1930 | LibriVox | Anthology | |7 |
| March 2015 |
|
Astounding Stories, September 1930 | Sci-Fi Publishing | Anthology | |408 |