International encyclopedia of the social sciences. Volume 7, 8. 
edited by David L. Sills 
 - New York  The Macmillan Company  The Free Press  1968 
 - 560p & 584p. 
<br/><br/> Published in 8 physical volumes consisting of 17 bibliographical volumes.<br/>This is 4th book.<br/>Contents: Volume 7 and 8. 
<br/><br/><label>Universal Decimal Class. No.: </label>(031)30  / MAC.7.8