1
Published: Frankfurt/M : Peter Lang Verlag, 2005
Book
2
3
4
5
6
Published: Köln : Volksblatt Verlag, 1990
Book
7
Published: Köln : Janus Verlag, 1994
Book
8
Published: Köln : Janus Verlag, 1994
Book
9
Published: Köln : Janus Verlag, 1996
Book
10
Published: Köln : Volksblatt Verlag, 1992
Book
11
Published: Köln : Janus Verlag, 1997
Book
12
Published: Köln : Janus Verlag, 1997
Book
13
14
Published: Hamburg : Volksblatt Verlag, 1992
Book
15
16
Published: Köln : Volksblatt Verlag, 1990
Book
17
Published: Köln : Janus Verlag, 1993
Book
18
Published: Köln : Janus Verlag, 1995
Book
19
Published: Köln : Janus Verlag, 1995
Book
20
Published: Hamburg : Janus Verlag, 1995
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