索引號
B - Philosophy, Psychology, Religion
452
D - World History
30
P - Language and Literature
24
L - Education
7
N - Fine Arts
7
H - Social Science
6
A - General Works
5
C - Historical Sciences
5
M - Music
5
E - United States History
4
F - General American History
4
J - Political Science
2
Z - Library Science
2
R - Medicine
1