Classification
S - Agriculture
2,808
H - Social Science
1,660
P - Language and Literature
1,081
M - Music
621
R - Medicine
458
B - Philosophy, Psychology, Religion
298
A - General Works
198
D - World History
184
C - Historical Sciences
168
F - General American History
147
T - Technology
122
Q - Science
57
K - Law
51
E - United States History
35
G - Geography, Anthropology, Recreation
34
L - Education
26
Z - Library Science
22
J - Political Science
18
N - Fine Arts
10
U - Military Science
6