1
2
3
4
Published: Regensburg : Pustet, 1991.
Book
5
6
7
Book
8
9
10
Book
11
Book
12
13
Book
14
15
16
17
18
Book
19
Published: München : Archiv der Münchner Arbeiterbewegung [u.a.], 2004.
Book
20
Book