Region
Europe
17
France
11
China
8
United States
8
Latin America
6
Soviet Union
6
Central America
5
Russia
5
Arab countries
4
Great Britain
4
Middle East
4
Europe, Eastern
3
Germany
3
Africa, North
2
Developing countries
2
England
2
Nicaragua
2
America
1
Asia
1
Asia, Southeastern
1
Caribbean Area
1
Congresses
1
Cuba
1
Egypt
1
Europe, Central
1
Europe, Southern
1
Haiti
1
Iran
1
Mexico
1
Paris
1
Paris (France)
1
Pentrich
1
Philippine Islands
1
Poland
1
Romans
1
Romans (France)
1
Rouen (France)
1
Saint Petersburg (Russia)
1
Saint-Etienne (France)
1
Shanghai (China)
1
Spain
1
Toulouse (France)
1
Western countries
1