Kupperman, Joel J. <br/><br/>
Ethical Knowledge    / 
Joel J. Kupperman  
 - New York :   Humanities Press,  1970 
 - 157 p.  ;   23 cm. 
 - Muirhead library of philosophy .
<br/><br/><label>ISBN: </label>97800417002680041700260 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics.
<br/><br/><label>LC Class. No.: </label>BJ1012   / .K8 1970