| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1937 |
|
Secret Service Operator #5, July-August 1937 | Popular Publications, Inc. | MAGAZINE | 98 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1937 |
|
Secret Service Operator #5, July-August 1937 | Popular Publications, Inc. | MAGAZINE | 98 |