1955
United States. Army Map Service.
1:3m
1959
United States. Army Map Service.
1:3m
1900
Indochine. Service géographique
1:500k
1956
United States. Army Map Service.
1:3m
1939
清内府
1939
清内府
1939
清内府
1939
清内府
1939
清内府
1939
清内府
1939
清内府
1939
清内府
1939
清内府
1939
清内府
1939
清内府
1939
清内府