Census of India 1971 <br/><br/>
Haryana: town study of Kalka (Ambala district) 

 - Delhi  The Controller of Publications  1978 
 - 198+p. 
 - Census of India 1971. Series-6, Haryana. Part VI B-(i) .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/71/6/PT6B/1/K