1
2
3
Book
4
Book
5
6
Published: München : Eher, 1933
Book
7
Book
8
Book
9
10
Book
11
Book
12
Book
13
Book
14
Book
15
Published: Berlin, 1922.
Book
16
Book
17
Book
18
19
Published: Warszawa : Wydawn. Naukowe Scholar, 2004.
Book
20
Book