Military cryptanalysis /

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Bibliographic Details
Author / Creator:	Friedman, William F. (William Frederick), 1891-1969, author.
Imprint:	Washington : United States Government Printing Office, 1939-1941.
Description:	1 online resource (4 volumes) : illustrations
Language:	English
Subject:	Ciphers. Cryptography. World War, 1939-1945 -- Military intelligence -- United States. World War, 1939-1945 -- Cryptography -- Sources. Ciphers. Cryptography.
Format:	E-Resource U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/10918880

Hidden Bibliographic Details
Other authors / contributors:	United States. Army. Signal Corps, issuing body.
Notes:	At head of title: War Department. Office of the Chief Signal Officer, Washington. "Prepared under the direction of the Chief Signal Officer." "Declassified and approved for release by NSA on 09-19-2005 pursuant to E.O. 12958, as amended." Formerly restricted. Includes bibliographical references and indexes. Description based on online resource, PDF version; title from title page (viewed November 1, 2016).
GPO item no.:	0306 (online)
Govt.docs classification:	D 1.2:C 88/14

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