Search for: Title Author Subject Series Call number 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) 4 Enigma cipher system -- Drama. 7 Enigma cipher system -- Fiction. 1 Enigma cipher system -- History. 3 Enigma cipher system -- Juvenile fiction. 2 Enigma cipher system -- Juvenile literature. 5 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 949 SEE: Curiosities and wonders 949 SEE: Riddles. 521 SEE: Riddles. 521 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >