312.094167(91)
S657C
               Census of India 1991 - Sikkim : Directorate of Census Operation, 1991.
               29,2p:ill+maps+tabs - Sikkim, series; 22 .
                Paper-1 of 1991: Provisional population totals

C1360
                Subjects: Census-India-Sikkim; Demography surveys; Population research-India-Sikkim.