索引号
K - Law
66
Z - Library Science
38
H - Social Science
31
N - Fine Arts
9
B - Philosophy, Psychology, Religion
8
D - World History
8
G - Geography, Anthropology, Recreation
7
A - General Works
4
P - Language and Literature
2
S - Agriculture
2
C - Historical Sciences
1
J - Political Science
1
Q - Science
1