Classification
P - Language and Literature
183
Q - Science
81
D - World History
35
H - Social Science
24
K - Law
17
B - Philosophy, Psychology, Religion
12
N - Fine Arts
10
G - Geography, Anthropology, Recreation
8
J - Political Science
8
T - Technology
5
F - General American History
4
R - Medicine
4
A - General Works
2
L - Education
2
S - Agriculture
2
Z - Library Science
2
M - Music
1