Classification
P - Language and Literature
1,732
D - World History
54
H - Social Science
20
B - Philosophy, Psychology, Religion
19
C - Historical Sciences
12
M - Music
12
N - Fine Arts
10
K - Law
9
Q - Science
9
J - Political Science
8
G - Geography, Anthropology, Recreation
7
A - General Works
6
R - Medicine
5
E - United States History
4
F - General American History
4
L - Education
3
U - Military Science
1