Fredman, William F.  Priedman, Elizebeth S <br/><br/>
The Shakespearean ciphers examined an anaysis of cryptographic systems used as evidence that some author other than William Shakespeare wrote the plays commonly attrubted him  x 

 - x 
 - Cambridge  Univ press  1957 
 - xvi, 302 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>x x 
<br/><br/><label>Dewey Class. No.: </label>822.33/FRS