Region
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Massachusetts
5
Mexico
1
Middle Atlantic States
1
Middlesex Co
1
Missouri
1
New Hampshire
1
New York
2
New York (N.Y.)
4
New York (State)
2
New York, NY
1
North America
6
North Philadelphia
1
North Philadelphia (Philadelphia, Pa.)
1
Northeastern States
3
Norway
1
Orem (Utah)
1
Palo Alto
1
Palo Alto (Calif.)
1
Pennsylvania
8
Philadelphia
6
Philadelphia (Pa.)
4
Philadelphia (Pa.)--Economic conditions--20th century
1
Philadelphia (Pa.)--Politics and government--20th century
1
Pittsburgh
2
Québec
1
Québec (Province)
1
Reston
1
Reston (Va.)
1
Rhode Island
1
Scandinavia
2
Scandinavie
1
Schwarze
2
Scotland
1
Scotland, Lanark, Glasgow
1
Social conditions
1
South Carolina
1
South Philadelphia (Philadelphia, Pa.)
1
Southern States
10
Soviet Union
5
Sowjetunion
1
Stanford
1
Stanford (Calif.)
1
Stany Zjednoczone
2
Surrey Co
1
Tschechen
1
U.S. ]x History
1
URSS
1
USA
21
United States
588
United States, Southern States
1
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