1
2
3
4
5
6
Published: Frankfurt am Main : Metzner, 1977
Book
7
8
9
10
Book
11
Book
12
13
14
15
16
17
Published: Bonn : Europa Union Verl, 1989
Book
18
19
20
Published: Stuttgart : Franz Steiner Verlag, 1991-
Berlin, 1991-
Berlin, 1991-
Berlin, 1991-
Potsdam, 1991-
Berlin, 1991-
Berlin, 1991-
Berlin, 1991-
Potsdam, 1991-
Journal