The emperor's codes:

Smith, Michael 1952 May 1-

The emperor's codes: Bletchley Park and the breaking of Japan's secret ciphers - Bantam 2000 - [xii], 322p., [16]p. of plates

Bibliography: p.305-309 Includes index

The wartime secrets of the British codebreakers based at Bletchley Park continue to be revealed. In this book, Michael Smith examines how Japan's codes were broken, and the consequences of this for the Second World War.

9780593046418 0593046412

100=NOTNACO


World War, 1939-1945--Cryptography
World War, 1939-1945--Electronic intellegence--Great Britain
World War, 1939-1945--Secret Service--Great Britain


Bletchley Park (Buckinghamshire, England)--History

940.5486 SMI