History of Codes and Ciphers in the United States Prior to World War One (Cryptographic Series , No 20)
Contributors: United States Army Security Agency Historical Section (Corporate Author); Wayne G. Barker (Editor)
Publisher: Aegean Park Pr
Published: June 1992
Language: eng
Format: Paperback
Number of pages: 159
ISBN-13: 9780894120268
Subjects: Cryptography; History; Military - World War I; History: American; United States