Region
Afghanistan
1
Africa
2
Africa, Eastern
1
Africa, Sub-Saharan
2
Alabama
1
Alaska
1
Appalachian Region
1
Arab countries
1
Argentina
2
Asia
3
Australia
5
Austria
1
Baden
1
Baden (Germany)
1
Brazil
1
British Columbia
2
California
2
Canada
13
Central America
1
China
7
Colombia
6
Commonwealth countries
1
Commonweath countries
1
Delaware
1
Developing countries
7
Durham County
1
East Asia
1
Egypt
3
Europe
3
Europe, Central
1
Europe, Eastern
3
European Union countries
7
Fort Peck Indian Reservation
1
France
2
Germany
2
Government policy
1
Great Britain
11
Grenoble
1
Gulf Coast (U.S.)
2
Guyana
1
India
5
Indonesia
1
Iraq
1
Israel
5
Japan
1
Latin America
2
Maryland
1
Mexico
2
Mexico, Gulf of
1
Minnesota
3
more ...