Classification
M - Music
6,952
H - Social Science
258
D - World History
152
S - Agriculture
115
Z - Library Science
102
A - General Works
85
F - General American History
85
P - Language and Literature
40
J - Political Science
34
E - United States History
29
B - Philosophy, Psychology, Religion
14
L - Education
13
N - Fine Arts
13
K - Law
6
G - Geography, Anthropology, Recreation
4
T - Technology
3
C - Historical Sciences
2
Q - Science
1
R - Medicine
1
U - Military Science
1