broken seal: the story of "Operation Magic" and the Pearl Harbor disaster.
Publisher: Mayflower
Published: 1969
Place of publication: London
Language: eng
Number of pages: 415
Subjects: World War, 1939-1945 -- United States.; World War, 1939-1945 -- Cryptography.; United States -- Foreign relations -- Japan.; Japan -- Foreign relations -- United States.
Notes: Bibliography: p. 349-353.