Region
Africa
1
Alabama
3
Amérique du Nord
1
Arkansas
1
Armenia
1
Art
4
Astronautics
1
Atomic bomb
1
Attica
1
Australia
1
Austria
1
Berlin (Germany)
1
Berlin,
1
Birmingham
2
Boston
1
Canada
1
Central America
1
China
2
Egypt
1
Europe
5
Europe, Western
4
Flanders
1
Foreign relations
1
France
1
Germany
4
Germany -- History -- 1871-1918
1
Germany,
1
Grandes Plaines
1
Great Britain
4
Great Plains
2
Great Rift Valley
1
Greece
1
Haight Ashbury (San Francisco)
1
Hawaii
1
Iran
1
Islamic countries
1
Japan
2
Kenya
1
Kuwait
1
Latin America
1
Levittown (N.Y.)
1
Lima
1
Little Rock
1
Love Canal Chemical Waste Landfill (Niagara Falls, N.Y.)
1
Massachusetts
1
Mediterranean Region
1
Mississippi
1
Montgomery
1
New York
1
New York (State)
2
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