1
2
Book
3
4
5
6
Published: Bern : Lang, 2003-2007
Journal
7
Published: Hannover : Friedrich, 1950-
Offenburg, 1950-1952
Stuttgart, 1953-1983
Seelze, 1984-2019
Offenburg, 1950-1952
Stuttgart, 1953-1983
Seelze, 1984-2019
Journal
8
10
Book
11
12
Book
13
Published: Berlin : Verlag für Ausbildung u. Studium in d. Elefanten-Press, 1983
Book
14
Published: Hamburg : Rasch und Röhring, 1990
Book
15
16
17
18
20