
1889
Pelet, Paul, 1849-1927
1:2m

1827
Vandermaelen, Philippe, 1795-1869
1:2m

1950
North-Vietnamese Geography Department
1:100k

1864
MOUHOT, Alexandre Henri.

1965
The Associated Press

1929
Royal Survey Department
1:1m

1667
Chez Jean Blaeu

1893
LALANNÉ, Ernest.

1900
Larousse

1968
China Cartographic Publishing House
1:4m