Secret Warfare - the Battle of Codes and Ciphers
1973, First Edition. Washington, Acropolis Books. Fine cloth copy in a near fine, very slightly edge-worn and sun-toned dw. Particularly and surprisingly well-preserved; tight, bright, clean and especially sharp-cornered. ; 187 pages; Description: 187 p. Illus. 23 cm. Bibliography: p. 177-179. Subjects: Cryptography --History. Ciphers. Item #27383
ISBN: 0874916003
Price: €12.95
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