Geography
United States
56 results
Great Britain
5 results
Europe
4 results
Developing countries
3 results
Africa
2 results
China
2 results
Greece
2 results
Japan
2 results
Rome
2 results
Amazon River Region
1 results
Batavia
1 results
Brazil
1 results
Canada
1 results
Caribbean Area
1 results
Central America
1 results
Chine
1 results
Cuba
1 results
Ecuador
1 results
Egypt
1 results
European Union countries
1 results
France
1 results
Germany
1 results
Illinois
1 results
India
1 results
Italy
1 results
Mexico
1 results
Pacific Area
1 results
Quito
1 results
Seychelles
1 results
Sierra Nevada (Calif. and Nev.)
1 results
South America
1 results
Soviet Union
1 results