索引號
B - Philosophy, Psychology, Religion
501
L - Education
196
H - Social Science
18
A - General Works
5
P - Language and Literature
5
Q - Science
4
U - Military Science
4
J - Political Science
3
C - Historical Sciences
2
D - World History
2
E - United States History
2
G - Geography, Anthropology, Recreation
1
K - Law
1
M - Music
1
N - Fine Arts
1