索引號
P - Language and Literature
412
B - Philosophy, Psychology, Religion
116
F - General American History
116
H - Social Science
105
Q - Science
74
J - Political Science
69
D - World History
39
K - Law
23
R - Medicine
22
G - Geography, Anthropology, Recreation
16
L - Education
16
N - Fine Arts
13
T - Technology
11
Z - Library Science
8
C - Historical Sciences
7
M - Music
7
E - United States History
6
A - General Works
2
U - Military Science
1
V - Naval Science
1