Very special intelligence
Subtitle: the story of the Admiralty's Operational Intelligence Centre, 1939-1945
By: Patrick Beesly ; with a new introduction by W.J.R.  Gardner and a new afterword by Ralph Erskine.
Publisher: Greenhill Books; Stackpole Books
Published: 2000
Place of publication: London; Mechanicsburg, PA
Language: eng
Number of pages: 296
Subjects: Great Britain. Naval Intelligence Division. Operational Intelligence Centre.; World War, 1939-1945 -- Cryptography.; Military intelligence -- Great Britain -- History -- 20th century.
Notes: Includes bibliographical references (p. 285-289) and index.