Geographic Subject
Brazil
9
Pennsylvania
7
Philadelphia (Pa.)
7
United States
7
Philadelphia
6
Japan
5
Michigan
3
New South Wales
3
Sweden
3
Netherlands
2
Ohio
2
Soviet Union
2
Africa, Central
1
Australia
1
Austria
1
Chile
1
Connecticut
1
Fairmount Park (Philadelphia, Pa.)
1
Free State (South Africa)
1
Germany
1
Great Britain
1
India
1
Iowa
1
Kansas
1
Massachusetts
1
Mexico
1
New Hampshire
1
New Jersey
1
North America
1
Norway
1
Ontario
1
Oregon
1
Peru
1
Philippines
1
Switzerland
1
Tennessee
1
West Virginia
1
Wisconsin
1