索引号
N - Fine Arts
39,011
P - Language and Literature
660
T - Technology
243
D - World History
224
M - Music
183
Z - Library Science
171
B - Philosophy, Psychology, Religion
144
A - General Works
130
S - Agriculture
109
C - Historical Sciences
100
J - Political Science
80
H - Social Science
69
G - Geography, Anthropology, Recreation
59
F - General American History
50
E - United States History
32
Q - Science
23
K - Law
19
V - Naval Science
12
L - Education
8
R - Medicine
8
U - Military Science
7