Lenski, Gerhard Emmanuel,  1924- <br/><br/>
Human societies :  an introduction to macrosociology / 
Gerhard Lenski, Patrick Nolan , Jean Lenski. 
 - 7- th ed 
 - New York :  McGraw-Hill,  c1995. 
 - xxiii, 525 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0-07-037631-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology<br/>Social evolution