Geographic Subject
Russia (Federation)
51
England
21
Germany
19
India
19
United States
19
West Indies
18
Indonesia
17
Switzerland
16
Japan
15
France
14
America
13
Antilles, Lesser
12
Soviet Union
12
Ethiopia
11
Mongolia
11
Argentina
10
Egypt
10
Sri Lanka
10
Australia
9
Africa
8
Africa, Central
8
Brazil
8
Italy
8
Latin America
8
Russia
8
South Africa
8
Africa, East
7
Canada
7
Congo (Democratic Republic)
7
Madagascar
7
Middle East
7
Nile River
7
Poland
7
Russian Far East
7
Sweden
7
Belgium
6
Malaysia
6
Nepal
6
Romania
6
Scotland
6
Africa, West
5
Czechoslovakia
5
Siberia
5
South America
5
Spain
5
Yugoslavia
5
Alaska
4
Arctic regions
4
Central America
4
China
4
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