Author
Boas, Franz, 1858-1942
4
Tilly, Jean T'Serclaes
2
Gerdes, Rudolf, 1888-
1
Gottschalk, Jolanda
1
Graah, Wilhelm August
1
Humboldt, Alexander von
1
Landmann, Elizabeth
1
Mecking, Ludwig, 1879-
1
Nansen, Fridtjof
1
Niger, Samuel,1883-1955
1
Nonweiler, Georg
1
Nägeli, Hans Georg
1
Steinitz, Walter, 1882-
1
Weiselberger, Carl,1900-1970
1