The Young Wireless Operator—As a Fire Patrol: Or, The Story of a Young Wireless…
1963
The Young Wireless Operator—With the Oyster Fleet: How Alec Cunningham Won His…
1963
The Young Wireless Operator—Afloat: Or, How Roy Mercer Won His Spurs in the Mer…
1963
The Wireless Operator—With the U. S. Coast Guard
1963
The Secret Wireless; Or, The Spy Hunt of the Camp Brady Patrol
1963
The Flying Reporter
1963
The Young Wireless Operator—With the U. S. Secret Service: Winning his way in t…
1963