The Secret Sentinel (Secret Service Operator #5, November-December 1938)
| First published | November 1938 |
|---|---|
| Type | Essay |
Publications (1)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| November 1938 | Secret Service Operator #5, November-December 1938 | Popular Publications, Inc. | MAGAZINE | 103 |