Masked dispatches : cryptograms and cryptology in American history, 1775-1900 /

Bibliographic Details
Main Author:	Weber, Ralph E. (Ralph Edward), 1926- (Author)
Format:	Government Document eBook
Language:	English
Published:	[Fort George G. Meade, MD] : Center for Cryptologic History, National Security Agency, 2013.
Edition:	Third edition.
Series:	United States cryptologic history. Pre-World War I ; v. 1.
Subjects:	Cryptography > United States > History.
Online Access:	https://purl.fdlp.gov/GPO/gpo52790 http://purl.fdlp.gov/GPO/gpo52790

Description
Item Description:	Title from title screen (viewed Oct. 20, 2014). "CCH-EC-02-03."
Physical Description:	1 online resource (xvi, 202 pages) : illustrations.
Bibliography:	Includes bibliographical references (pages 225-227).