Klassifikationsnummer
F - General American History
520
H - Social Science
151
P - Language and Literature
124
N - Fine Arts
46
J - Political Science
26
T - Technology
22
G - Geography, Anthropology, Recreation
19
R - Medicine
14
Q - Science
13
L - Education
12
B - Philosophy, Psychology, Religion
11
M - Music
11
D - World History
8
K - Law
8
C - Historical Sciences
6
Z - Library Science
3
E - United States History
2
U - Military Science
2
V - Naval Science
2
A - General Works
1
S - Agriculture
1