Williams Leonard <br/><br/>
Challenge to survival 
Williams Leonard 
 - New York  New University Press USA    1977 
 - xii,170p.  cm. 
<br/><br/><label>Standard No.: </label>251,286 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGY
<br/><br/><label>Dewey Class. No.: </label>Y7:(G:66), L72