Geographic Subject
Europe
10
France
7
United States
7
Great Britain
5
Germany
4
Egypt
3
Netherlands
3
Germany (West)
2
Morocco
2
Nicaragua
2
Prussia (Germany)
2
Thailand
2
6.140
1
Asia
1
Austria
1
Bangladesh
1
Bavaria
1
Bulgaria
1
Burma
1
China
1
Croatia
1
Developing countries
1
Europe, Eastern
1
Finland
1
Hungary
1
India
1
Indochina
1
Indonesia
1
Iran
1
Israel
1
Japan
1
Laos
1
Latin America
1
Malaya
1
Malaysia
1
Prussia
1
Saxony (Electorate)
1
Singapore
1
Southeast Asia
1
Sweden
1
Switzerland
1