Very special intelligence

By Patrick Beesly

Subjects: World war, 1939-1945, naval operations, 20th century british history - world war ii, Great britain, naval intelligence division, Naval operations, Military intelligence, World War, 1939-1945, World war, 1939-1945, secret service, great britain, Great britain - espionage, Great Britain. Naval Intelligence Division, British history - military history, Great britain. naval intelligence division. operational intelligence centre., Great britain - world war ii, World war, 1939-1945, secret service, 940.54/8641, Military intelligence--history, Cryptography, Secret service, Great Britain. Naval Intelligence Division. Operational Intelligence Centre, Cryptography - history, History, Espionage & military intelligence - world war ii, Great Britain, Military intelligence--great britain--history--20th century, World war, 1939-1945--cryptography, D810.s7 b354 2000

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