Classification
M - Music
3,432
S - Agriculture
501
F - General American History
333
H - Social Science
228
D - World History
135
B - Philosophy, Psychology, Religion
39
R - Medicine
34
J - Political Science
31
P - Language and Literature
25
T - Technology
23
L - Education
22
G - Geography, Anthropology, Recreation
14
Q - Science
12
K - Law
10
Z - Library Science
8
N - Fine Arts
5
U - Military Science
5
V - Naval Science
2
A - General Works
1
C - Historical Sciences
1