Region
United States
211
Vietnam
6
Alabama
3
Soviet Union
3
Birmingham
2
California
2
Massachusetts
2
New York (State)
2
Seattle
2
Seattle (Wash.)
2
Washington (State)
2
États-Unis
2
Attica
1
Berkeley
1
Berlin,
1
Boston
1
Buffalo (N.Y.)
1
Cambodia
1
China
1
Communist countries
1
Europe
1
Germany,
1
Haight Ashbury (San Francisco)
1
Iran
1
Japan
1
Love Canal Chemical Waste Landfill (Niagara Falls, N.Y.)
1
Mississippi
1
Nantucket Island
1
Nantucket Island (Mass.)
1
New Hampshire
1
New York
1
Selma
1
Southern States
1
Washington (D.C.)
1
Washington Region
1