Classification
H - Social Science
14 974
M - Music
10 675
T - Technology
7 479
Q - Science
7 059
R - Medicine
6 363
S - Agriculture
5 913
D - World History
5 319
P - Language and Literature
3 375
A - General Works
3 277
B - Philosophy, Psychology, Religion
2 613
K - Law
2 379
F - General American History
2 377
L - Education
2 264
J - Political Science
1 839
Z - Library Science
1 561
G - Geography, Anthropology, Recreation
1 252
N - Fine Arts
1 240
E - United States History
463
C - Historical Sciences
438
U - Military Science
322
V - Naval Science
133