Census of India, 1971 <br/><br/>
District census handbook, 1971. V. 27, Pt. 10-C Departmental statistics and full count census tables 

 - Delhi  Govt Press           1971 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.241sN71, L1. DEL