1958
United States. Army Map Service.
1:3m
1958
United States. Army Map Service.
1:3m
1900
Indochine. Service géographique
1:500k
1926
童世亨
1:2m
1957
United States. Army Map Service.
1:3m
1900
Indochine. Service géographique
1:500k
1700
1645
吴学俨等
1888
Launay, Adrien 1853-1927
1:2m
1658