Singh, Nagendra Kr. <br/><br/>
Encyclopaedia of The Indian Biography ( Vol. - VII, S ) 
/ edited by Nagendra Kr. Singh 
 - New Delhi,  A.P.H. Publishing Corporation:  2000. 
 - xxv, 537p. 
<br/><br/><label>ISBN: </label>8176480959 
<br/><br/><label>Dewey Class. No.: </label>920.05403  / SIN/E