Berloquin, Pierre <br/><br/>
Hidden codes & grand designs : secret languages from ancient times to modern day 
Pierre Berloquin 
 - New Delhi  Sterling Publishing  2008 
 - 375 p. : ill., maps ; 23 cm 
<br/><br/><label>ISBN: </label>9781402728334 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ciphers<br/>Cryptography
<br/><br/><label>Dewey Class. No.: </label>652.809 BER