Ridley, Matt <br/><br/>
Origins of Virtue 

 - 
 - London  Penguin Books  1996 
 - viii, 295p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>0-14-024404-2 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Human Nature - Sociology  Social Nature - Humans 
<br/><br/><label>Dewey Class. No.: </label>301.151