索引號
P - Language and Literature
115
B - Philosophy, Psychology, Religion
18
D - World History
9
F - General American History
9
E - United States History
4
H - Social Science
4
Q - Science
4
Z - Library Science
4
M - Music
3
N - Fine Arts
3
A - General Works
1
C - Historical Sciences
1
G - Geography, Anthropology, Recreation
1
K - Law
1
R - Medicine
1