Geographic Subject
Congo (Democratic Republic)
9
Chicago (Ill.)
7
Africa, Central
6
Pamir
6
Alaska
4
Asia, Central
4
Philadelphia (Pa.)
4
Minnesota
3
Morocco
3
Tajikistan
3
United States
3
Africa
2
Africa, West
2
Alameda County (Calif.)
2
Canada
2
Congo (République démocratique)
2
India
2
Kongo <Demokratische Republik>
2
Mongolia
2
Oregon
2
Paris (France)
2
Rwanda
2
San Francisco, 1915
2
Tanzania
2
Victoria
2
Africa, Southern
1
Angola
1
Arctic regions
1
Arizona
1
Austria
1
Beira (Mozambique)
1
Bohemia (Czech Republic)
1
Bosnia and Hercegovina
1
Brazil
1
Cairo (Egypt)
1
California, Northern
1
Cameroon
1
Ceará (Brazil : State)
1
Central African Republic
1
Chad
1
Douglas County
1
Douglas County (Or.)
1
Europe
1
Fairmount Park (Philadelphia, Pa.)
1
France
1
Greece
1
K2 (Mountain)
1
K2 (Pakistan : Mountain)
1
Liberia
1
Madagascar
1
more ...