| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1930 |
|
Astounding Stories of Super-Science, April 1930 | Publishers' Fiscal Corp | MAGAZINE | 60 |
| July 2009 | Astounding Stories of Super-Science, April 1930 | Project Gutenberg | Anthology | 60 | |
| October 2013 |
|
Astounding Stories of Super-Science, April 1930 | LibriVox | Anthology | 60 |
| March 2015 |
|
Astounding Stories, April 1930 | Sci-Fi Publishing | Anthology | |60 |