Census of India 1981 <br/><br/>
Sikkim: general population tables and primary census abstract 

 - Gangtok  Director of Census Operations  1982 
 - 134+p. 
 - Census of India 1981. Series-19, Sikkim. Part II-A and Part II-B .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/81/19/Pt 2 A & Pt 2 B