Klassifikationsnummer
B - Philosophy, Psychology, Religion
751
F - General American History
79
H - Social Science
25
P - Language and Literature
24
D - World History
12
G - Geography, Anthropology, Recreation
8
J - Political Science
7
C - Historical Sciences
4
L - Education
4
K - Law
2
M - Music
2
N - Fine Arts
2
R - Medicine
2
T - Technology
2
A - General Works
1
Q - Science
1
Z - Library Science
1