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Colophon
Auxiliary sciences of history
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Civilization
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Social sciences
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Sociology
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Communication
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Visual communication
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Signs and symbols
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Ciphers
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Machine ciphers
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Enigma cipher system
Enigma cipher system
Topic
sh00004694
·
id.loc.gov
Used for
Enigma cipher machine
Enigma codes
Enigma cryptographic machine
Enigma machine (Cryptography)
Broader Terms (2)
Machine ciphers
World War, 1939-1945--Cryptography
Related Terms (1)
ULTRA (Intelligence system)
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