41
Published 1981
Record Source: Published Materials
Serial
42
43
45
Published 1957
Record Source: Published Materials
Journal
46
47
Record Source: Published Materials
Book
48
Published 1911
Record Source: Published Materials
Journal
49
Published 1912
Record Source: Published Materials
Journal
50
51
Published 1963
Record Source: Published Materials
Journal
52
53
54
55
58
Author: Friederichs, Heinz F.
Published 1969
Record Source: Published Materials
Book
59
Author: Busse, Gisela von.
Published 1972
Record Source: Published Materials
Book