Region
United States
303
England
23
Great Britain
23
New York
9
New York (State)
7
Canada
6
Québec (Province)
6
Europe
5
Massachusetts
5
Virginia
5
California
4
Ireland
4
Italy
4
New York (N.Y.)
4
Africa
3
Europe, Western
3
France
3
Louisiana
3
Michigan
3
Appalachian Region, Southern
2
Assisi
2
Australia
2
Boston
2
Carville
2
Chiang Mai
2
Chiang Mai (Thailand : Province)
2
Czech Republic
2
Czechoslovakia
2
Developing countries
2
Early works to 1800
2
Germany
2
Hawaii
2
Iowa
2
Kentucky
2
Minnesota
2
Mongolia
2
Montana
2
North America
2
Russia (Federation)
2
Scotland
2
Southeast Asia
2
Thailand
2
Washington (D.C.)
2
États-Unis
2
Amundsen Scott South Pole Station (Antarctica)
1
Appalachian Region
1
Asia, Southeastern
1
Austin
1
Austria
1
Bath (England)
1
more ...