126k Maps of South Asia

1941

Brown, John

Panoramic Profile of the Hill Ranges of Sikkim in Two Parts Point of Sight Observatory Hill South Darjeeling

1882

Survey of India Offices

253k/250k Maps of South Asia

1930

Brown, John

7e feuille qui est proprement la troisieme du Thibet, et qui contient le pais des environs du Tsanpou au couchant de Lasa

1737

Anville, Jean-Baptiste Bourguignon d'

126k Maps of South Asia

1941

Brown, John

Bengal, Bhutan, Nepal, Sikkim & Tibet

1933

Survey of India offices

1:253k

[NOUVEL ATLAS DE LA CHINE, DE LA TARTARIE CHINOISE, ET DU THIBET] :

1737

[Henri Scheurleer]

World Aeronautical Chart. Goring Lake (438).

1950

Aeronautical Chart Service, U.S. Army Air Forces

1:1m

Bengal, Bhutan, Nepal, Sikkim & Tibet, No 78 J, Darjeeling

1937

Survey of India

Pundit Maps

1915

John Brown