UNESCO <br/><br/>
Main trends of research in the social and human sciences.2V. 

 - New York     Mouton Publishers       1970 
<br/><br/><label>Standard No.: </label>32717 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Sigma:f, L0.1-.2