ix, 389, 16 unnumbered pages of plates : 24 cm
Genres
- World war, 1939-1945, cryptography
- World war, 1939-1945, australia
- Cryptography
- World war, 1939-1945, secret service, australia
- World War, 1939-1945
- Cryptographers
- History
- World War (1939-1945) fast (OCoLC)fst01180924
- World War (1939-1945)
- World War, 1939-1945 -- Australia -- Cryptography
- Cryptography -- Australia
- Cryptographers -- Australia
- Australia
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