International encyclopedia of the social sciences. Volume 5, 6. 
edited by David L. Sills 
 - New York  Collier - Macmillan Publishers  1968 
 - 562p;550p. 
<br/><br/> Published in 8 physical volumes consisting of 17 bibliographical volumes.<br/>This is 3rd book.<br/>Contents: Volume 5 and 6. 
<br/><br/><label>Universal Decimal Class. No.: </label>(031)30  / MAC.5.6