Classification
P - Language and Literature
86
D - World History
59
K - Law
29
B - Philosophy, Psychology, Religion
27
Q - Science
25
A - General Works
16
J - Political Science
15
H - Social Science
11
T - Technology
9
Z - Library Science
9
E - United States History
7
F - General American History
7
G - Geography, Anthropology, Recreation
7
R - Medicine
5
L - Education
3
N - Fine Arts
3
S - Agriculture
2
U - Military Science
2
M - Music
1