Geography
United States
469 results
Developing countries
251 results
Great Britain
182 results
Africa
70 results
France
50 results
China
48 results
India
47 results
Europe
45 results
Asia
33 results
England
30 results
Soviet Union
29 results
Africa, Sub-Saharan
28 results
Mexico
22 results
Latin America
21 results
Germany
19 results
Rome
17 results
Sahel
17 results
Ireland
14 results
Middle East
14 results
Nigeria
14 results
Canada
13 results
Italy
13 results
New York (State)
13 results
Brazil
12 results
Africa, Southern
11 results
Tanzania
11 results
London
10 results
Egypt
9 results
Greece
9 results
Russia (Federation)
9 results
Iraq
8 results
Mali
8 results
Pacific Area
8 results
Paris
8 results
Texas
8 results
Africa, North
7 results
Burkina Faso
7 results
California
7 results
Colorado
7 results
Ethiopia
7 results
Japan
7 results
Kenya
7 results
Nicaragua
7 results
North Carolina
7 results
Tropics
7 results
Africa, West
6 results
Confederate States of America
6 results
Korea (North)
6 results
Netherlands
6 results
New York
6 results
more…