Barry J. Blake <br/><br/>
Secret Language  Codes, Tricks, Spies, Thieves, and Symbols 

 -  OUP Oxford  2010 
<br/><br/><label>ISBN: </label>9780191573712 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ciphers.,Cryptography.,Historical linguistics.
<br/><br/><label>Subjects--Index Terms: </label>LANGUAGE ARTS & DISCIPLINES / Linguistics / General 
<br/><br/><label>LC Class. No.: </label>Z103 .B53 2010eb 
<br/><br/><label>Dewey Class. No.: </label>417.7