Geographic Subject
Europe
56
Europe, Eastern
22
Soviet Union
9
France
6
Europe, Central
5
Germany
4
Austria
2
Great Britain
2
Oceania
2
Russia
2
United States
2
Africa
1
America
1
Asia
1
Baltic States
1
Black Sea Region
1
Bohemia
1
Byzantine Empire
1
Cologne (Germany)
1
Czech Republic
1
Czechoslovakia
1
Europe, German-speaking
1
Europe, Northern
1
Middle East
1
North America
1
Poland
1
Spain
1
Sweden
1
Syria
1
Turkey
1