1
Published 2003
Book
2
Published 1994
Book
3
by Kramm, Hans Joachim
Published 1965
Map
6
Published 2002
Map
7
Published 1990
Map
8
by Staudt, Johannes
Published 1985
Book
9
Book
10
Published 1996
Book
14
Published 2004
Book
16
Published 2003
Map
18
Published 1985
Book
20
Book