Ellison Katherine Au. <br/><br/>
Cultural history of early modern English cryptography manuals 
Ellison Katherine Au. 
 - London  Routledge UK        2017 
 - xiii,218p.  cm. 
<br/><br/><label>ISBN: </label>9781472457646 (hbk)  UKP 95.00 
<br/><br/><label>Standard No.: </label>317,653 
<br/><br/><label>Source: </label> 220, 09/03/2017, Classic Book Service  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CRYPTOGRAPHY
<br/><br/><label>Dewey Class. No.: </label>P:7, Q7