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