Ple, A O P <br/><br/>
Mystery and Mysticism 

 - New York  The Philosophical Library  1956 
 - 137p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 0 
<br/><br/><label>Dewey Class. No.: </label>K45  / P710