Lenski, Gerhard Emmanuel,  1924- <br/><br/>
Human societies :  an introduction to macrosociology / 
Gerhard Lenski, Patrick Nolan, Jean Lenski. 
 - 7th ed. 
 - New York :  McGraw-Hill,  1995. 
 - xviii, 525 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>007037631X  RM146.17 
<br/><br/><label>LCCN: </label>94-15796 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Macrosociology.<br/>Social evolution.<br/>Social systems--History.