42
46
by Schubert, Helga, 1940-
Published 1994
Book
47
by Koop, Volker, 1945-
Published 2003
Book
50
by Richert, Ernst.
Published 1966
Book
51
55
Published 1980
Book
56
Published 1986
Book
57
by Kunz, Frithjof., Thiel, Wera.
Published 1983
Book
59
by Hantzsch, Heinz
Published 1958
Book
60
by Rüthers, Bernd, 1930-
Published 1972
Book