索引号
D - World History
10,375
P - Language and Literature
2,950
H - Social Science
2,608
N - Fine Arts
1,961
B - Philosophy, Psychology, Religion
1,546
M - Music
1,503
G - Geography, Anthropology, Recreation
1,416
Z - Library Science
1,035
K - Law
917
C - Historical Sciences
539
J - Political Science
526
Q - Science
352
L - Education
319
T - Technology
266
A - General Works
219
R - Medicine
217
S - Agriculture
183
U - Military Science
181
E - United States History
77
F - General American History
53
V - Naval Science
12