| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 1938 |
|
Doc Savage, August 1938 | Street & Smith Publications, Inc. | MAGAZINE | |
| 1939 |
|
Doc Savage, No. 10 | Editorial Molino (Spain) | MAGAZINE | |
| 1939 |
|
Doc Savage, No. 12 | Editorial Molino | MAGAZINE |