Geographic Subject
Europe
Germany
8
Prussia
Brandenburg (State)
7
Poland
7
Pomerania
7
Pomerania (Poland and Germany)
7
Poznań (Voivodeship)
6
Saxony
6
Silesia
6
Saxony (Prussia)
4
Westphalia
2
Hannover (Province)
1
Hohenzollern
1
Kassel (Regierungsbezirk)
1
Poznań
1
Rhine Province
1
Schleswig-Holstein
1
Wiesbaden (Regierungsbezirk)
1