Klassifikationsnummer
A - General Works
2
B - Philosophy, Psychology, Religion
21
C - Historical Sciences
3
D - World History
39
F - General American History
2
G - Geography, Anthropology, Recreation
2
H - Social Science
24
J - Political Science
19
K - Law
41
L - Education
3
M - Music
2
N - Fine Arts
8
P - Language and Literature
33
R - Medicine
1
T - Technology
3
Z - Library Science
2