Klassifikationsnummer
B - Philosophy, Psychology, Religion
3,338
H - Social Science
150
L - Education
145
K - Law
58
E - United States History
52
D - World History
42
J - Political Science
38
P - Language and Literature
37
A - General Works
34
N - Fine Arts
21
M - Music
19
F - General American History
18
G - Geography, Anthropology, Recreation
13
U - Military Science
7
R - Medicine
5
Z - Library Science
5
C - Historical Sciences
3
T - Technology
1