1
2
3
4
Book
5
6
7
8
Book
9
Book
10
11
Published: Düsseldorf : Droste, 1981
Book
12
Book
13
14
15
16
Published: Freiburg i. Br. : Dreisam-Verl, 1980
Book
17
Published: Frankfurt am Main : Verl. Marxist. Blätter, 1980
Book
18
Book
19
20