Sills, David L.  <br/><br/>
International encyclopedia of the social science. 

 - New York :   Macmillan & Free Press,  1968. 
 - 545p.  : ill.   ; 26cm.  
<br/><br/><label>ISBN: </label>0-02-895690-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences<br/>Dictionaries