International encyclopedia of the social sciences. Volume 13, 14. 
edited by David L. Sills 
 - New York  Collier Macmillan Publishers  1968 
 - 616p;586p. 
<br/><br/> Published in 8 physical volumes consisting of 17 bibliographical volumes.<br/>This is 7th book.<br/>Contents: Volume 13 and 14. 
<br/><br/><label>Universal Decimal Class. No.: </label>(031)30  / MAC.13.14