Classification
F - General American History
5,968
H - Social Science
1,583
M - Music
759
R - Medicine
437
D - World History
404
P - Language and Literature
309
B - Philosophy, Psychology, Religion
293
A - General Works
154
S - Agriculture
116
J - Political Science
105
C - Historical Sciences
72
E - United States History
72
G - Geography, Anthropology, Recreation
26
L - Education
24
Z - Library Science
15
K - Law
11
T - Technology
11
N - Fine Arts
9
U - Military Science
6
Q - Science
5
V - Naval Science
1