Upendra Kumar Singh <br/><br/>
Encyclopaedia of Social Thinkers (Set of 3 Vols) 

 - Jaipur  ABD publishers   2012 
 - 304 
<br/><br/> Vol.1 : 1-304<br/>Vol.2 : 305-608<br/>Vol.3 : 609-920<br/> 
<br/><br/><label>ISBN: </label>9788183763455 
<br/><br/><label>Dewey Class. No.: </label>300.922 UPE