Ulmen, G. L. <br/><br/>
The science of society :  toward an understanding of the life and work of Karl August Wittfogel / 
G. L. Ulmen 
 - The Hague :  Mouton,  1978 
 - 747 p. :  post ;  24 cm. 
<br/><br/> Includes index 
<br/><br/>Bibliography:p.(625)-691 
<br/><br/><label>ISBN: </label>9027977666 
<br/><br/><label>Subjects--Personal Names: </label><br/>Wittfogel, Karl August--1896
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social scientists--Biography--United States<br/>Historians--Biography--United States