Berry, Christopher J. <br/><br/>
Human nature. 

 - London :  Macmillan,  c1986. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0333375246 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Man.<br/>Man -- Animal nature.--Man -- Animal nature.