| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1941 |
|
Captain Future, Spring 1941 | Better Publications, Inc. | MAGAZINE | 43 |
| December 2010 |
|
The Collected Captain Future: Man of Tomorrow, Volume Two | Haffner Press | Omnibus | 658 |
| August 2014 |
|
Captain Future, Spring 1941 | Adventure House | Anthology | 43 |