Britain's best kept secret
Subtitle: Ultra's base at Bletchley Park
By: Ted Enever.
Publisher: A. Sutton
Published: 1994
Place of publication: Stroud
Language: eng
Number of pages: 90
Subjects: Great Britain. -- Government Communications Headquarters.; World War, 1939-1945 -- Cryptography.; World War, 1939-1945 -- Secret service -- Great Britain.; World War, 1939-1945 -- Electronic intelligence -- Great Britain.; World War, 1939-1945 -- Personal narratives, British.; Bletchley Park (Buckinghamshire, England) -- History.