Region
Afghanistan
1
Africa
1
Africa, Southern
1
Alabama
1
Alaska
1
Amchitka Island
1
Amchitka Island (Alaska)
1
America
1
Asia
2
Balkan Peninsula
1
Brazil
1
Brooklyn (New York, N.Y.)
1
Bulgaria
1
California
2
Canada
1
Caribbean Area
2
Chicago
3
Chicago (Ill.)
2
Chile
1
China
3
Communist countries
1
Connecticut
1
Cuba
4
Czechoslovakia
1
Developing countries
2
Europe
4
Europe, Central
1
Europe, Eastern
16
Florida
2
France
1
Förenta staterna
1
Germany
1
Germany (West)
1
Great Britain
4
Grenada
1
Hungary
11
Illinois
5
Indiana
1
Indonesia
1
Iran
1
Islamic countries
1
Israel
1
Japan
15
Kentucky
2
Latin America
4
Los Angeles
1
Los Angeles (Calif.)
1
Louisville
2
Maine
1
Maryland
1
more ...