1
2
3
Published: Hatfield : University of Hertfordshire Press, 1999
Book
4
5
Published: Hatfield : University of Hertfordshire Press, 2006
Book
6
Book
7
Published: Oldenburg : Universität Oldenburg, Zentrum für pädagogische Praxis, 1985
Book
8
Published: Berlin : Edition Parabolis, 2000
Book
9
Published: Frankfurt am Main : Kramer, 1986
Book
10
Book
11
Published: Reinbek bei Hamburg : Rowohlt Taschenbuch Verlag, 1983
Book
12
Published: Berlin : Metropol-Verl, 2001
Book
13
Book
14
15
Published: Berlin : Dietz, 2007
Book
16
Book
17
Book
18
Published: Bremen : Radio Bremen, 1999
19
20
Published: ARD, 1995