Klassifikationsnummer
D - World History
117
H - Social Science
40
B - Philosophy, Psychology, Religion
30
J - Political Science
29
N - Fine Arts
18
G - Geography, Anthropology, Recreation
12
C - Historical Sciences
11
P - Language and Literature
6
K - Law
5
L - Education
5
A - General Works
3
T - Technology
3
Z - Library Science
2
Q - Science
1
S - Agriculture
1