Region
United States --
3
United States
2
Asia
1
Asia --
1
Australia
1
Australia --
1
Bulgaria
1
Bulgaria --
1
China
1
China --
1
Europe, Eastern
1
Europe, Eastern --
1
Israel
1
Israel --
1
Palestine
1
Palestine --
1
Romania
1
Romania --
1
Soviet Union
1
Soviet Union --
1
Tibet
1
Tibet (China)
1
Tibet (China) --
1