Seligman, Edwin R. and Alvin, Johnson <br/><br/>
Encyclopaedia of the social sciences: Lab-Mor, Vol. IX & X 

 - New York  MacMillan & Co.  1937 
 - xxi,661: xxi,652 
<br/><br/><br/>English 
<br/><br/><label>Dewey Class. No.: </label>303  / Sel