The Secret Sentinel (Secret Service Operator #5, April 1936)
| First published | April 1936 |
|---|---|
| Type | Essay |
Publications (1)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| April 1936 | Secret Service Operator #5, April 1936 | Popular Publications, Inc. | MAGAZINE | 108 |
| First published | April 1936 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| April 1936 | Secret Service Operator #5, April 1936 | Popular Publications, Inc. | MAGAZINE | 108 |