索引號
B - Philosophy, Psychology, Religion
425
P - Language and Literature
229
E - United States History
54
M - Music
28
H - Social Science
18
L - Education
17
A - General Works
16
K - Law
11
N - Fine Arts
8
J - Political Science
6
F - General American History
5
D - World History
3
R - Medicine
2
C - Historical Sciences
1
T - Technology
1
Z - Library Science
1