Census of India,1971 <br/><br/>
Special survey report on selected towns  Kalka. Haryana V.6, Pt. 6B1    
Census of India,1971 
 - Haryana  Govt. Press           1971 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.242sN71, L1.6-6B1