索引號
D - World History
208
F - General American History
181
P - Language and Literature
67
B - Philosophy, Psychology, Religion
43
C - Historical Sciences
41
A - General Works
28
E - United States History
27
H - Social Science
27
Q - Science
13
J - Political Science
9
G - Geography, Anthropology, Recreation
8
N - Fine Arts
8
L - Education
7
K - Law
3
U - Military Science
2
M - Music
1