Geographic Subject
Asia
1,400
Asia, Southeastern
897
Asia, Central
674
South Asia
362
East Asia
331
India
212
Southeast Asia
202
Africa
139
Russia (Federation)
109
Soviet Union
97
United States
85
Middle East
81
China
72
Great Britain
72
Pacific Area
66
Europe
50
Kazakhstan
47
Japan
42
Developing countries
41
Indonesia
41
Siberia
36
Siberia (Russia)
28
Asie
27
Malaysia
27
Oceania
25
Caucasus
24
Pakistan
24
Russia
23
East Indies
22
Asie du Sud-Est
20
Mongolia
20
Asie centrale
19
Iran
19
Russian Far East
19
Australia
18
Germany
18
Africa, North
17
Singapore
17
Thailand
16
Turkey
16
West Indies
16
Nepal
15
Netherlands
15
Philippines
15
Vietnam
14
Afghanistan
13
Orient
12
Sri Lanka
12
Straits Settlements
12
Australasia
11
more ...