Author
Prussia (Germany)
6
Pomerania (Germany)
4
Saxony (Prussia)
3
Brandenburg (Germany : State)
2
Posen (Germany : Province)
2
Posen (Germany)
2
Silesia (Germany)
2
Brandenburg (Germany : Province)
1
Parey, Karl, -1902
1
Prussia (Kingdom)
1
Silesia (Prussia)
1
Wachler, Paul, 1834-1912
1
Westphalia (Germany)
1
Zimmermann, D. A.
1