| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| June 1931 |
|
Astounding Stories, June 1931 | The Clayton Magazines, Inc. | MAGAZINE | 417|417.1 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| June 1931 |
|
Astounding Stories, June 1931 | The Clayton Magazines, Inc. | MAGAZINE | 417|417.1 |