Classification
F - General American History
5,968
H - Social Science
1,642
M - Music
756
R - Medicine
437
D - World History
430
P - Language and Literature
310
B - Philosophy, Psychology, Religion
298
A - General Works
154
S - Agriculture
116
J - Political Science
110
E - United States History
75
C - Historical Sciences
74
G - Geography, Anthropology, Recreation
28
L - Education
25
Z - Library Science
15
K - Law
12
T - Technology
11
N - Fine Arts
10
U - Military Science
6
Q - Science
5
V - Naval Science
1