Welcome to the Kids' Library!

Search for books, movies, music, magazines, and more.

Available items only

Author

Title Military cryptanalysis / by William F. Friedman.

Publication Info.

Washington : United States Government Printing Office, 1939-1941.

Connect to
Connect to https://permanent.fdlp.gov/gpo73996/gpo73996.htm

Location	Call No.	OPAC Message	Status
Axe Federal Documents Online	D 1.2:C 88/14	---	Available

Description	1 online resource (4 volumes) : illustrations
	text txt rdacontent
	computer c rdamedia
	online resource cr rdacarrier
Note	Description based on online resource, PDF version; title from title page (viewed November 1, 2016).
Bibliography	Includes bibliographical references and indexes.
Note	At head of title: War Department. Office of the Chief Signal Officer, Washington.
	"Prepared under the direction of the Chief Signal Officer."
Contents	pt. 1. Monoalphabetic substitution systems -- pt. 2. Simpler varieties of polyalphabetic substitution systems -- pt. 3. Simpler varieties of aperiodic substitution systems -- pt. 4. Transportation and fractionating systems.
Note	"Declassified and approved for release by NSA on 09-19-2005 pursuant to E.O. 12958, as amended."
	Formerly restricted.
Subject	Ciphers.
	Cryptography.
	World War, 1939-1945 -- Military intelligence -- United States.
	World War, 1939-1945 -- Cryptography -- Sources.
	Ciphers. (OCoLC)fst00861549
	Cryptography. (OCoLC)fst00884552
Genre/Form	Online resources.
Added Author	United States. Army. Signal Corps, issuing body.
Gpo Item No.	0306 (online)
Sudoc No.	D 1.2:C 88/14