1
Published 1982
Book
2
by Schmid, Manfred Hermann, 1947-
Published 1976
Book
3
by Del-Negro, Walter, 1898-1984
Published 1960
Book
4
Published 1990
Map
6
Published 1991
Map
7
Published 1992
Map
8
Published 1988
Book
9
Published 2000
Map
11
13
Published 2011
Map
14
Published 1910
Map