Klassifikationsnummer
D - World History
726
P - Language and Literature
126
B - Philosophy, Psychology, Religion
52
N - Fine Arts
29
H - Social Science
21
M - Music
18
R - Medicine
16
C - Historical Sciences
14
T - Technology
13
G - Geography, Anthropology, Recreation
9
L - Education
9
A - General Works
6
K - Law
6
F - General American History
5
E - United States History
4
J - Political Science
2
Z - Library Science
2
Q - Science
1
S - Agriculture
1