索引號
B - Philosophy, Psychology, Religion
664
D - World History
40
P - Language and Literature
23
N - Fine Arts
18
K - Law
16
L - Education
16
M - Music
15
A - General Works
8
Z - Library Science
6
H - Social Science
5
C - Historical Sciences
4
R - Medicine
3
G - Geography, Anthropology, Recreation
2
J - Political Science
1