1
Book
2
Published: Mainz : Hase & Koehler, 1966
Book
3
Published: Eichholz, 1970
Book
4
5
6
7
8
Published: Mainz : Hase & Koehler, 1966.
Book
9
10
11
Published: Bonn : Dietz, 1994.
Book
12
13
14
Published: Marburg : Schüren, 1993.
Book
15
16
17
18
Published: München : Beck, 1992.
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19