Geographic Subject
United States
635
India
496
Africa
402
Egypt
297
Africa, Central
227
Ethiopia
225
Morocco
225
Congo (Democratic Republic)
217
Europe
213
Palestine
210
Middle East
207
Africa, West
191
Algeria
191
South Africa
186
Africa, East
150
Africa, North
148
China
145
Sudan
134
Canada
133
Turkey
131
Soviet Union
124
Italy
120
Sahara
119
France
108
Tunisia
102
Iran
92
Great Britain
89
Germany
87
West (U.S.)
79
Asia
75
America
69
California
69
Indonesia
69
Syria
69
Japan
66
Mississippi River Valley
66
Tanzania
64
Russia
62
Virginia
62
Russia (Federation)
60
Spain
59
Cameroon
57
Nile River
57
Texas
57
Mexico
55
Nigeria
54
Kenya
53
Southern States
52
Africa, French-speaking Equatorial
51
Nepal
51
more ...