1
Published: London [u.a.] : Cass, 1997.
Book
2
Published: Frankfurt am Main : Haag + Herchen, 1992.
Book
3
4
5
6
7
Book
8
9
Published: Tübingen : Hohenrain, 1999.
Book
10
Book
11
12
13
14
Published: Göttingen : Lamuv-Verl, 1993.
Book
15
Published: Düsseldorf : IDA-NRW, 1999.
Book
16
Book
17
Published: New York : Pitman Publ. Corporation, 1971.
Book
18
Book
19
20