索引號
B - Philosophy, Psychology, Religion
797
H - Social Science
68
K - Law
56
J - Political Science
52
L - Education
45
Q - Science
43
N - Fine Arts
16
P - Language and Literature
15
C - Historical Sciences
14
D - World History
8
G - Geography, Anthropology, Recreation
6
T - Technology
4
A - General Works
3
R - Medicine
3
Z - Library Science
3
F - General American History
2
M - Music
1
U - Military Science
1