索引號
K - Law
516
H - Social Science
89
R - Medicine
39
Z - Library Science
34
D - World History
32
A - General Works
23
B - Philosophy, Psychology, Religion
22
Q - Science
17
J - Political Science
15
N - Fine Arts
14
F - General American History
11
G - Geography, Anthropology, Recreation
11
C - Historical Sciences
9
L - Education
5
M - Music
4
P - Language and Literature
2
S - Agriculture
2
E - United States History
1
T - Technology
1