Classification
P - Language and Literature
53
M - Music
47
H - Social Science
33
A - General Works
18
D - World History
17
B - Philosophy, Psychology, Religion
14
J - Political Science
11
N - Fine Arts
8
T - Technology
6
L - Education
4
S - Agriculture
3
Z - Library Science
3
C - Historical Sciences
1
F - General American History
1
G - Geography, Anthropology, Recreation
1
K - Law
1
R - Medicine
1