1937
Survey of India
1932
Knorr & Hirth
1:33k
1910
Calcutta : Thacker, Spink & Co.
1931
Survey of India offices
1:1m
1952
Aeronautical Chart Service, U.S. Army Air Forces
1:1m
1737
Anville, Jean-Baptiste Bourguignon d'
1883
Letts, Son & Co.
1:2m
1967
Polish Army Topography Service
1:3m
1831
Society for the Diffusion of Useful Knowledge (Great Britain)
1:2m
1907
Survey of India