Region
Japan --
United States --
Japan
57
United States
55
China --
11
China
8
Asia
4
Asia --
4
East Asia --
4
East Asia
3
Pacific Area --
3
Pacific area
3
United states --
3
Asia, Southeastern
2
Asia, Southeastern --
2
Pacific area --
2
Singapore
2
Singapore --
2
Europe
1
Europe --
1
European Economic Community countries --
1
Foreign countries
1
Germany
1
Germany --
1
Japan. Rikugan. Kantogun. Butai, Dai 731 --
1
Korea (South)
1
Korea(Souith) --
1
Korea(South)
1
Korea(South) --
1
Manchuria
1
Manchuria (China) --
1
North and South Korea --
1
Pan-Pacific relations
1
Russia (Federation)
1
Russia (Federation) --
1
Soviet Union --
1
United Nations
1
Unites States
1
Unites States --
1