Sills, David L <br/><br/>
International Encyclopedia of the Social Sciences 
Vol 11 & 12 
 -  The Macmillian Companew York and the Free Press  1968 
<br/><br/><label>ISBN: </label>0028957105 
<br/><br/><label>Publisher. No.: </label> Premier Book Shop 
<br/><br/><label>Subjects--Personal Names: </label> General 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia