Classification
P - Language and Literature
296
K - Law
80
H - Social Science
25
Q - Science
20
D - World History
18
J - Political Science
13
R - Medicine
10
G - Geography, Anthropology, Recreation
6
N - Fine Arts
6
A - General Works
5
B - Philosophy, Psychology, Religion
5
M - Music
3
T - Technology
2
C - Historical Sciences
1
E - United States History
1
L - Education
1
U - Military Science
1