| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1930 |
|
Amazing Stories, July 1930 | Experimenter Publications, Inc. | MAGAZINE | 371 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1930 |
|
Amazing Stories, July 1930 | Experimenter Publications, Inc. | MAGAZINE | 371 |