索引號
A - General Works
2
B - Philosophy, Psychology, Religion
26
C - Historical Sciences
7
D - World History
11
E - United States History
2
F - General American History
353
G - Geography, Anthropology, Recreation
28
H - Social Science
712
J - Political Science
94
K - Law
153
L - Education
336
M - Music
9
N - Fine Arts
34
P - Language and Literature
223
Q - Science
76
R - Medicine
19
S - Agriculture
109
T - Technology
14
U - Military Science
5
Z - Library Science
4