Geographic Subject
Germany
109
Switzerland
82
France
64
Russia (Federation)
64
Sweden
53
India
36
Italy
34
England
28
Indonesia
26
Egypt
19
China
18
Morocco
16
Netherlands
16
Finland
13
Mexico
13
Siberia
12
Guatemala
10
Poland
10
Algeria
9
Alsace
9
Scotland
8
Turkey
8
Africa, North
7
Lorraine
7
Skåne
7
Syria
7
Zurich
7
Greece
6
Iraq
6
Jakarta
6
Palatinate
6
Saxony
6
Siegerland
6
Silesia
6
South Africa
6
Spain
6
Tunisia
6
Valais
6
Venice
6
Bern
5
Croatia
5
Dalarna
5
Gotland
5
Lebanon
5
Russia, Northern
5
Soviet Union
5
Austria
4
Balkan Peninsula
4
Bangladesh
4
Basel
4
more ...