Do not merge with the 1951 title. These are different illustrations.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1940 |
|
Startling Stories, May 1940 | Better Publications, Inc. | MAGAZINE | 27 |
| 1951 |
|
Wonder Story Annual, 1951 | Best Books, Inc. | MAGAZINE | 13 |
| August 2011 |
|
Startling Stories, May 1940 | Adventure House | Anthology | 27 |