索引号
H - Social Science
26,856
D - World History
24,126
P - Language and Literature
19,151
K - Law
6,581
B - Philosophy, Psychology, Religion
4,970
J - Political Science
4,781
N - Fine Arts
4,653
L - Education
4,507
G - Geography, Anthropology, Recreation
3,024
T - Technology
1,912
M - Music
1,549
R - Medicine
1,361
Z - Library Science
1,338
C - Historical Sciences
1,242
U - Military Science
1,098
Q - Science
873
S - Agriculture
738
A - General Works
522
E - United States History
445
V - Naval Science
153
F - General American History
29