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By: Weber, Ralph E.
Publisher: Washington D. C., Center for Cryptologic Histoyr / National Security Agency: 1993
Edition: 1st Edition; 1st Printing
Seller ID: A35073
B&W Illustrations; This is an oversized paperback book. The book is in Very Good+ condition and was issued without a dust jacket. The book and its contents are in mostly clean, bright condition. There is a bit of light edge wear and bumping / use to the spine ends, corners and edges of the book covers. The text pages are clean and bright. "This is an examination of codes and ciphers as they figured in American history prior to the twentieth century, prior to the ... View more info