ISBN:

• 9781781311912
• 1781311919
• 10577677

Description: 191 pages : illustrations (some color) ; 26 cm

Other Title: Illustrated history of the wartime codebreaking centre

Control Number: 996470

Subjects:

• Bletchley Park (Milton Keynes, England) -- History.
• Government Code and Cypher School (Great Britain) -- History.
• World War, 1939-1945 -- Cryptography.
• World War, 1939-1945 -- Great Britain -- Electronic intellegence.
• World War, 1939-1945 -- Secret service -- Great Britain.