40 O.B.; or, How the war was won
By: by Hugh Cleland Hoy; foreword by Sir Basil Thomson, K.C.B.; with 31 illustrations.
Edition: 7th impression.
Publisher: Hutchinson and Co. ltd.
Published: 1932
Place of publication: London
Language: eng; lat
Number of pages: 287
Subjects: World War, 1914-1918 -- Secret service -- Great Britain.; World War, 1914-1918 -- Naval operations.
Other titles: How the war was won.