Region
Africa
2
Alabama
1
Arab countries
3
Argentina
2
Arkansas
1
Asia
5
Astronautics
1
Atomic bomb
1
Australia
4
Austria
3
Brazil
3
Buenos Aires
2
Buenos Aires (Argentina)
2
California
4
Canada
2
Chengdu
1
Chengdu (China)
1
Chicago
1
Chicago (Ill.)
1
China
1
Corée du Sud
1
Cuba
2
Czech Republic
1
England
10
Europe
2
France
7
Frankreich
1
Frankrike
1
Germany
3
Germany (East)
2
Great Britain
15
Havana (Cuba)
2
Hawaii
1
Illinois
1
Ireland
2
Italy
1
Japan
9
Korea
1
Korea (South)
2
Latin America
1
Little Rock
1
London
1
London (England)
1
Los Angeles
2
Los Angeles (Calif.)
2
Los Angeles Region
2
Madrid
1
Madrid (Spain)
1
Mediterranean Region
1
Mexico
2
more ...