Ámbito geográfico
Vietnam
647
Ho Chi Minh City (Vietnam)
178
Hanoi (Vietnam)
90
Ho Chi Minh City
73
Cambodia
63
Vietnam (Democratic Republic)
57
United States
52
Hanoi
33
Vietnam, Southern
26
China
22
Vietnam, Northern
17
Indochina
16
Laos
13
Cḥơ Ĺơn (Vietnam)
11
Soviet Union
11
Haiphong (Vietnam)
9
Asia, Southeastern
8
Mekong River Delta (Vietnam and Cambodia)
7
California
5
Canada
5
Mongolia
5
Thailand
5
Vinh (Vietnam)
5
Viêt-Nam
5
Viêt-nam
5
Europe
4
France
4
Haiphong
4
Huế
4
Huế (Vietnam)
4
Northern Vietnam
4
Vietnam (Republic)
4
Asia
3
Chicago (Ill.)
3
Developing countries
3
Europe, Eastern
3
Germany (West)
3
Great Britain
3
Húê (Vietnam)
3
Illinois
3
Indonesia
3
Korea
3
Maryland
3
Massachusetts
3
Southeast Asia
3
Tonkin
3
Washington (D.C.)
3
Albania
2
Australia
2
Austria
2
más ...