Singh, Nagendra Kr.  <br/><br/>
Encyclopaedia of The Indian Biography (Vol-VI) 
/ by Nagendra Kr. Singh 
 - New Delhi:  A.P.H. Publishing Corporation,  2000. 
 - 699p. 
 - O-R .
<br/><br/><label>ISBN: </label>8176480940 
<br/><br/><label>Dewey Class. No.: </label>920.05403  / SIN/E