The American Black Chamber
By: by Herbert O. Yardley.
Edition: 1st ed.
Publisher: Bobbs-Merrill
Published: 1931
Place of publication: Indianapolis
Language: eng
Number of pages: 375
Subjects: United States. War Dept. Military Intelligence Division. Section No. 8. -- History; Military intelligence; Secret service -- United States; World War, 1914-1918 -- Secret service -- United States; Cryptography