Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Enigma cipher system 8 SEE ALSO: ULTRA (Intelligence system) 3 Enigma cipher system -- Drama. 2 Enigma cipher system -- Fiction. 3 Enigma cipher system -- History. 1 Enigma cipher system -- Juvenile literature. 4 Enigma codes -- SEE: Enigma cipher system 8 Enigma cryptographic machine -- SEE: Enigma cipher system 8 Enigma machine (Cryptography) -- SEE: Enigma cipher system 8 Enigmas -- SEE: Curiosities and wonders 201 SEE: Curiosities and wonders 201 SEE: Riddles. 50 SEE: Riddles. 50 SEE: Riddles. 50 Enix family -- SEE: Enoch family 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >