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Author Weber, Ralph E. (Ralph Edward), 1926- author.

Title Masked dispatches : cryptograms and cryptology in American history, 1775-1900 / Ralph E. Weber. [O'Reilly electronic resource]

Edition Third edition.
Publication Info. [Fort George G. Meade, MD] : Center for Cryptologic History, National Security Agency, 2013.
To Access:
Available on O'Reilly for Public Libraries
Bookmark link: https://library.naperville-lib.org:444/record=b3168686~S1
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Description 1 online resource (xvi, 202 pages) : illustrations.
Series United States cryptologic history. Series 1, Pre-World War I ; v. 1
United States cryptologic history. Series 1, Pre-World War I ; v. 1.
Note Title from title screen (viewed Oct. 20, 2014).
Bibliography Includes bibliographical references (pages 225-227).
Note "CCH-EC-02-03."
Subject Cryptography -- United States -- History -- To 1900.
Cryptographie -- États-Unis -- Histoire -- Jusqu'à 1900.
Cryptography.
United States.
Chronological Term To 1900
Genre Ebook.
History.
Added Author United States. National Security Agency/Central Security Service. Center for Cryptologic History, issuing body.
Added Title Cryptograms and cryptology in American history, 1775-1900
Gpo Item No. 0306 (online)
Sudoc No. D 1.2:C 88/4/2013
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