1945
Great Britain. Inter-service Topographical Dept.
1827
Vandermaelen, Philippe, 1795-1869
1:2m
1967
USSR (Union of Soviet Socialist Republics).
1:3m
1897
SOMMERVILLE, Maxwell.
1864
MOUHOT, Alexandre Henri.
1893
LALANNÉ, Ernest.
1645
吴学俨等
1945
Perceval
1929
Royal Survey Department
1:1m
1893
DEVILLE, Victor.