索引号
L - Education
808
P - Language and Literature
196
H - Social Science
151
K - Law
101
B - Philosophy, Psychology, Religion
67
J - Political Science
63
R - Medicine
57
N - Fine Arts
51
D - World History
50
F - General American History
48
Q - Science
47
G - Geography, Anthropology, Recreation
42
T - Technology
40
Z - Library Science
19
C - Historical Sciences
16
S - Agriculture
14
A - General Works
3
E - United States History
3
M - Music
2
U - Military Science
1