Matt Blaze: The Cryptography of Orphan Annie and Captain Midnight
Scoop - Where the Magic of Collecting Comes Alive! - Flying Aces: Part II
1941 Captain Midnight Secret Squadron Members Decoder Radio Premium - Ruby Lane
Captain Midnight's secret decoder ring - YouTube
California Historical Radio Society - THE STORY OF CAPTAIN MIDNIGHT . The unknown producer of the following Captain Midnight text, acquired along with a decoder card recently at an ephemera show, notes: . “
Captain Midnight decoder badge
Captain Midnight Decoder Radio Premiums Group of 2 (Ovaltine, | Lot #11748 | Heritage Auctions