| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1930 |
|
Astounding Stories of Super-Science, February 1930 | Publishers' Fiscal Corp | MAGAZINE | 259 |
| April 2009 | Astounding Stories of Super-Science, February 1930 | Project Gutenberg | Anthology | 259 | |
| May 2009 |
|
Pulp Classics: Astounding Stories #2 (February, 1930) | Wildside Press | Anthology | |259 |
| February 2014 |
|
Astounding Stories of Super-Science: Vol. 1 No. 2 February, 1930 | CreateSpace | Anthology | 234 |
| March 2014 |
|
Astounding Stories of Super-Science, February 1930 | Richard Buchko | Anthology | 259 |