| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1940 |
|
Captain Future, Spring 1940 | Better Publications, Inc. | MAGAZINE | 103 |
| April 1978 |
|
Porte sul futuro: storia e antologia delle riviste di fantascienza 1926-1945 | Fanucci Editore | Omnibus | 305 |
| August 2016 |
|
Captain Future, Spring 1940 | Adventure House | Anthology | 103 |