Classification
H - Social Science
8 171
M - Music
8 106
S - Agriculture
3 766
K - Law
2 984
D - World History
2 728
E - United States History
2 273
J - Political Science
1 504
F - General American History
1 318
C - Historical Sciences
1 314
B - Philosophy, Psychology, Religion
1 255
Z - Library Science
1 251
T - Technology
1 250
Q - Science
1 239
L - Education
897
R - Medicine
852
A - General Works
711
P - Language and Literature
674
G - Geography, Anthropology, Recreation
349
N - Fine Arts
271
U - Military Science
218
V - Naval Science
41