Notes
First appeared in Secret Service Operator 5 Magazine, March-April 1937.
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| March 1937 | Secret Service Operator #5, March-April 1937 | Popular Publications, Inc. | MAGAZINE | 8 |
| March 1996 | High Adventure, March 1996 | Adventure House | MAGAZINE | 4 |