Credit to canonical from signature "Gabriel H Mayorga".
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1941 |
|
Super Science Novels, May 1941 | Fictioneers, Inc.; Chicago, IL | MAGAZINE | |
| August 2020 |
|
Masterpieces of Fantasy Art | Taschen | Nonfiction | 502|502.2 |