Friedman, William F.  1891-1969 <br/><br/>
The Shakespearean ciphers examined 

 - Cambridge :   University of Cambridge,   1957. 
 - xviii, 304 páginas :   láms., foto, tablas, diagr. 
<br/><br/> An analysis of cryptographic systems used as evidence that some author other than William Shakespeare wrote the plays commonly attributed to him 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Literatura Inglesa
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Reino Unido