Geographic Subject
Africa
2
Africa, Central
6
Africa, Southern
1
Africa, West
2
Alameda County (Calif.)
2
Alaska
4
Angola
1
Arctic regions
1
Arizona
1
Asia, Central
4
Austria
1
Beira (Mozambique)
1
Bohemia (Czech Republic)
1
Bosnia and Hercegovina
1
Brazil
1
Cairo (Egypt)
1
California, Northern
1
Cameroon
1
Canada
2
Ceará (Brazil : State)
1
Central African Republic
1
Chad
1
Chicago (Ill.)
7
Congo (Democratic Republic)
9
Congo (République démocratique)
2
Douglas County
1
Douglas County (Or.)
1
Europe
1
Fairmount Park (Philadelphia, Pa.)
1
France
1
Greece
1
India
2
K2 (Mountain)
1
K2 (Pakistan : Mountain)
1
Kongo <Demokratische Republik>
2
Liberia
1
Madagascar
1
Minnesota
3
Mongolia
2
Monomotapa Empire
1
Morocco
3
Mozambique
1
Nebraska
1
New Jersey
1
New South Wales
1
Nova Scotia
1
Omaha (Neb.)
1
Oregon
2
Orkhon River Valley (Mongolia)
1
Pakistan
1
more ...