Bhatnagar, Usha  .  <br/><br/>
Vrundawanlal Varma Ke Upanyaso Ka Sanskrutik Adhayan / Usha Bhatnagar. 

 -  Kanpur : Dnyan ,   1992 
 - 277 
<br/><br/><label>Dewey Class. No.: </label>891.43  / BHA