Name of the books
Author's Name
An Encyclopedia of Natural History Vol. I
Alfrep. H Miles
An Encyclopedia of Natural History Vol. II
The Butterflies of Sikkim Himalaya and their natural history
Meena Haribal
History of Darjeeling and the Sikkim Himalaya
K.C. Bhanja
History, Geography and Travels of Sikkim and Bhutan
S.K. Sharma Usha Sharma
