索引號
Z - Library Science
263
G - Geography, Anthropology, Recreation
56
P - Language and Literature
54
H - Social Science
52
D - World History
29
Q - Science
29
R - Medicine
26
B - Philosophy, Psychology, Religion
24
T - Technology
18
E - United States History
17
M - Music
17
K - Law
11
L - Education
10
S - Agriculture
7
J - Political Science
6
U - Military Science
6
F - General American History
5
C - Historical Sciences
3
N - Fine Arts
3