Degler, Carl N. <br/><br/>
In search of human nature :  the decline and revival of Darwinism in American social thought / 
Carl N. Degler. 
 - New York :  Oxford University Press,  1991. 
 - x, 400 p. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 351-383) and index. 
<br/><br/><label>ISBN: </label>0195063805  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Darwinism--History.--United States<br/>Sociobiology--History.<br/>Eugenics--History.<br/>Human-animal relationships.