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Title
The Invisible Cryptologists: African-Americans, WWII-1956
Women Telephone Operators in World War I France
A New Kind of Detective Work
The Voynich Manuscript - an Elegant Enigma *
The Dawn of American Cryptology
Revolutionary Secrets: The Secret Communications of the American Revolution
American Cryptology: Two Centuries of Tradition *
The Cipher Disk *
Masked Dispatches: Cryptograms and Cryptology in American History, 1775-1900 *
NSA History Rocks! The Voynich Manuscript
New Research on the Voynich Manuscript - Proceedings of a Seminar, 30 November 1976 (Callimahos Collection)
Voynich Manuscript, Tordella Correspondence
Voynich Manuscript, Cipher Writings
Appreciation for Copies of Voynich Manuscript
NSA Index for Attempts to Decipher the Voynich Manuscript
An Application of Cluster Analysis to the Question of "Hands" and "Languages" in the Voynich Manuscript
The Voynich Manuscript
United States vs. Thomas Drake - (PDF) What a Wonderful Success!
Extraterrestrial Intelligence by Howard H. Campaigne
United States Air Force Fact Sheet 95-03 - "Unidentified Flying Objects and Air Force Project Blue Book"
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