Military cryptanalysis /

Bibliographic Details
Main Author:	Friedman, William F. (William Frederick), 1891-1969 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington : United States Government Printing Office, 1939-1941.
Subjects:	Ciphers. Cryptography. World War, 1939-1945 > Military intelligence > United States. World War, 1939-1945 > Cryptography > Sources.
Online Access:	https://purl.fdlp.gov/GPO/gpo73996

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