1
2
Book
3
4
Published: Wuppertal : Hammer, 1975
Book
5
6
Book
7
Published: Düsseldorf : Droste, 1976
Book
8
Published: Düsseldorf : Droste, 1980
Book
9
Published: München ; Wien : Langen Müller, 1968
Book
10
Book
11
Book
12
Book
13
14
15
Book
16
Book
17
Book