42
by Kreck, Walter, 1908-2002
Published 1975
Book
45
by Hilbert, Karlheinz
Published 1967
Book
49
Published 1979
Book
50
by Husen, Dirk van, 1941-
Published 1987
Book
52
by Janssen, Paul
Published 1977
Book
56
Book
57
by Meyer, Wilhelm, 1845-1917
Published 1908
Book