International Encyclopedia of the social sciences ed by David L Sills 

 - London  Macmillan Company and Free Press     1968 
<br/><br/><label>Standard No.: </label>85,968 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL SCIENCES
<br/><br/><label>Dewey Class. No.: </label>#k1, K8.1--.16