Geographic Subject
United States
14
Switzerland
10
Germany
9
Germany (West)
9
Mexico
9
Ecuador
5
India
5
Indonesia
5
Soviet Union
5
Peru
4
Argentina
3
Pakistan
3
Cuba
2
El Salvador
2
France
2
Netherlands
2
4.415
1
4.480
1
Brazil
1
Chile
1
Colombia
1
Dominican Republic
1
European Union countries
1
Haiti
1
Haïti
1
Japan
1
Malaysia
1
Poland
1
Pologne
1
Suisse
1
Tucumán
1
Tunisia
1
URSS
1
Yugoslavia
1