Kupperman, Joel <br/><br/>
Ethical knowledge 
by Joel J. Kupperman 
 - London ; New York  Allen and Unwin; Humanities Press  1970 
 - 3-157 p. 23 cm 
<br/><br/> Includes bibliographical references 
<br/><br/><label>ISBN: </label>9780415295734 
<br/><br/><label>ISSN: </label>79568706 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics
<br/><br/><label>Dewey Class. No.: </label>170 MUL