Klassifikationsnummer
D - World History
454
H - Social Science
184
P - Language and Literature
141
B - Philosophy, Psychology, Religion
38
J - Political Science
38
E - United States History
31
N - Fine Arts
24
G - Geography, Anthropology, Recreation
22
M - Music
22
K - Law
19
L - Education
19
T - Technology
15
Q - Science
12
R - Medicine
7
U - Military Science
7
A - General Works
6
C - Historical Sciences
6
Z - Library Science
2
F - General American History
1
S - Agriculture
1