Room 40
Subtitle: British naval intelligence 1914-1918
By: Patrick Beesly.
Series: Oxford paperbacks
Publisher: Oxford University Press
Published: 1984
Place of publication: Oxford; New York
Language: eng
Subjects: Great Britain. Naval Intelligence Division. Room 40 -- History.; World War, 1914-1918 -- Cryptography.; World War, 1914-1918 -- Secret service -- Great Britain.
Other titles: Room forty.
Notes: Bibliography: p.
Cataloging based on CIP information.
Includes index.