索引號
B - Philosophy, Psychology, Religion
71
D - World History
35
M - Music
30
N - Fine Arts
24
P - Language and Literature
16
C - Historical Sciences
3
L - Education
2
U - Military Science
2
Z - Library Science
2
A - General Works
1
G - Geography, Anthropology, Recreation
1
H - Social Science
1
J - Political Science
1
Q - Science
1
R - Medicine
1