Classification
M - Music
2,939
D - World History
1,822
F - General American History
964
A - General Works
319
B - Philosophy, Psychology, Religion
274
E - United States History
158
P - Language and Literature
158
R - Medicine
125
G - Geography, Anthropology, Recreation
95
S - Agriculture
70
C - Historical Sciences
57
H - Social Science
51
Q - Science
26
Z - Library Science
22
T - Technology
14
J - Political Science
12
N - Fine Arts
10
K - Law
4
L - Education
1