Classification
S - Agriculture
2,294
H - Social Science
1,117
M - Music
437
P - Language and Literature
406
R - Medicine
185
B - Philosophy, Psychology, Religion
171
A - General Works
122
C - Historical Sciences
102
D - World History
100
F - General American History
96
T - Technology
88
E - United States History
25
Q - Science
25
Z - Library Science
18
G - Geography, Anthropology, Recreation
17
J - Political Science
8
N - Fine Arts
7
U - Military Science
6
K - Law
5
L - Education
3