Lenski, Gerhard Emmanuel, <br/><br/>
Human societies :  a macrolevel introduction to sociology / 
by Gerhard Lenski. 
 - New York :  McGraw-Hill,  1970. 
 - xv, 525 p. : 
<br/><br/><label>ISBN: </label>0070371660 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology.---
<br/><br/><label>Dewey Class. No.: </label>301  / Hu