Author
Pomerania (Germany)
Prussia (Germany)
Saxony (Prussia)
6
Silesia (Germany)
6
Brandenburg (Germany : Province)
4
Posen (Germany)
4
East Prussia (Germany)
3
West Prussia (Germany)
3
Posen (Germany : Province)
2
Brandenburg (Germany : State)
1
Brandenburg (Germany)
1
Jacobi, O. (Oskar), 1850-1932
1
Westphalia (Germany)
1
Zimmermann, D. A.
1