Census of India, 1981 <br/><br/>
Households and household population by language mainly spoken on the household. Himachal Pradesh. V. 7 

 - Himachal  Pradesh Govt Press          1981 
<br/><br/> Paper-1 of 1987 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.245sN81, M1.7-1