Kahn David <br/><br/>
The Code Breakers   The Comprehensive History of Secret Communication From Ancient Times To The Internet 

 - New York   Scribner  c1967 
 - xviii,1181,p:  ill:  26,cm. 
<br/><br/><br/>Shelf # 15, Row # 2, Communication. 
<br/><br/><label>ISBN: </label>0684831309  Available 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Secretarial Aids & Training / Intelligence & Espionage / Linguistics
<br/><br/><label>Dewey Class. No.: </label>652.8 KHA