the perennial principles of thought and action in a changing world <br/><br/>
  

 - Ungar , 
 - 22492 
<br/><br/> BK  Philosophy. 
<br/><br/><label>ISBN: </label>110/REI/R 
<br/><br/><label>Standard No.: </label>Reinhardt, Kurt F. (Kurt Frank), 1896- 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BK
<br/><br/><label>Dewey Class. No.: </label> /