Classification
P - Language and Literature
1,788
M - Music
1,514
B - Philosophy, Psychology, Religion
363
D - World History
243
A - General Works
207
H - Social Science
104
J - Political Science
36
L - Education
27
E - United States History
24
R - Medicine
20
C - Historical Sciences
19
T - Technology
17
S - Agriculture
16
Q - Science
14
G - Geography, Anthropology, Recreation
9
Z - Library Science
9
N - Fine Arts
8
K - Law
3
F - General American History
2
V - Naval Science
1