Classification
M - Music
2,577
P - Language and Literature
1,949
B - Philosophy, Psychology, Religion
666
D - World History
474
A - General Works
335
E - United States History
176
H - Social Science
113
S - Agriculture
57
L - Education
53
J - Political Science
33
Z - Library Science
27
R - Medicine
19
N - Fine Arts
18
G - Geography, Anthropology, Recreation
17
C - Historical Sciences
16
F - General American History
14
T - Technology
13
K - Law
12
Q - Science
9
U - Military Science
3