Subject Region
Great Britain
151
United States
128
Europe
57
Asia
22
China
22
America
19
Germany
19
France
18
Russia
16
Africa
15
India
15
Soviet Union
15
Commonwealth countries
14
Japan
14
Middle East
13
Philippines
12
Rome
12
Spain
11
Hawaii
10
Turkey
9
Developing countries
8
England
8
Pacific Area
7
Cuba
6
Eurasia
6
Europe, Eastern
6
Portugal
6
Tibet Autonomous Region (China)
6
Iran
5
Mediterranean Region
5
North America
5
Russia (Federation)
5
Ukraine
5
Australia
4
Austria
4
Bengal (India)
4
Foreign countries
4
Hungary
4
Romania
4
South Africa
4
Southeast Asia
4
Tropics
4
Afghanistan
3
Assyria
3
Brazil
3
Canada
3
Caribbean Area
3
East Asia
3
Egypt
3
Haiti
3
more ...