The secret war :
Hastings, Max
The secret war : spies, ciphers and guerrillas 1939-45. Secret war : spies, ciphers and guerrillas 1939-1945 - xxvii, 612 pages, 32 unnumbered pages of plates : illustrations
9780007503742 9780007503919
Spies--History.
World War, 1939-1945--Electronic intelligence.
World War, 1939-1945--Secret service.
World War, 1939-1945--Cryptography.
940.5486
The secret war : spies, ciphers and guerrillas 1939-45. Secret war : spies, ciphers and guerrillas 1939-1945 - xxvii, 612 pages, 32 unnumbered pages of plates : illustrations
9780007503742 9780007503919
Spies--History.
World War, 1939-1945--Electronic intelligence.
World War, 1939-1945--Secret service.
World War, 1939-1945--Cryptography.
940.5486