Region
United States
28
Alaska
6
New York
4
New York (State)
4
Northwestern States
4
États-Unis
3
Polar regions
3
Southwestern States
3
Canada, Eastern
2
Caribbean Region
2
East (U.S.)
2
East United States
2
France
2
Great Britain
2
Italy
2
Louisiana
2
New England
2
Portugal
2
Scandinavian and Nordic Countries
2
Southeastern United States
2
Spain
2
West (U.S.)
2
West United States
2
Africa
1
Amérique latine
1
Asia, Southeastern
1
Asie du Sud-Est
1
Atlantic Provinces
1
Austria
1
Caribbean Area
1
China
1
Chine
1
Czechoslovakia
1
Eastern Canada
1
États-Unis (Sud-Ouest)
1
Förenta staterna
1
Germany
1
Greece
1
Hungary
1
Italie
1
Japan
1
Latin America
1
Mediterranean Region
1
Middle East
1
Moyen-Orient
1
Nord-Ouest am ericain, Etats du
1
Nord-Ouest américain, Etats du
1
Northwestern United States
1
Oceania
1
Outer space
1
more ...