Hirst, Paul Q. <br/><br/>
Social evolution and sociological categories. 
Paul Q. Hirst. 
 - London :  George Allen and Unwin,      1976. 
 - 135p. 
<br/><br/><label>ISBN: </label>0043000657 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Yv  L6