4
by Nothelle-Wildfeuer, Ursula
Published 1999
Schöningh

6
by Korinek, Karl
Published 2006
Schöningh

8
by Greven-Aschoff, Barbara
Published 1981
Vandenhoeck & Ruprecht

9
by Hahn, Hans-Werner
Published 1984
Vandenhoeck & Ruprecht

14
by Jacob, Peter
Published 2004
V & R unipress