Report on a visit to Sikhim and the Thibetan frontier in October, November, and December, 1873. By J. Ware Edgar ...J. Ware Edgar1874
Lands of the Thunderbolt, Sikhim, Chumbi and BhutanZetland, Lawrence John Lumley Dundas, Marquis of1923
The Gazetteer of Sikhim. With an Introduction by H.H. Risley. Ed. in the Bengal Government Secretariat.Herbert Hope Risley, Sir, Bengal (India). Secretariat1894EN
Sikhim and Bhutan, Twenty-one Years on the North-east Frontier, 1887-1908White, J. Claude (John Claude), b.1909PDF12 MBEN
Sikhim And Bhutan Twenty-one Years On The North-east Frontier1887-1908,j.claude White, C.i.eDelhi Manas Publications1909PDF11 MBEN