Classification
M - Music
6,933
D - World History
2,886
F - General American History
1,864
A - General Works
1,060
P - Language and Literature
819
H - Social Science
612
B - Philosophy, Psychology, Religion
559
R - Medicine
304
S - Agriculture
263
J - Political Science
213
Q - Science
198
N - Fine Arts
175
G - Geography, Anthropology, Recreation
148
K - Law
145
T - Technology
120
C - Historical Sciences
82
Z - Library Science
58
L - Education
52
E - United States History
46
U - Military Science
13
V - Naval Science
5