Classification
P - Language and Literature
13,933
K - Law
120
H - Social Science
30
B - Philosophy, Psychology, Religion
25
Q - Science
16
R - Medicine
12
D - World History
10
M - Music
7
J - Political Science
4
L - Education
4
G - Geography, Anthropology, Recreation
3
N - Fine Arts
2
A - General Works
1
F - General American History
1
S - Agriculture
1
T - Technology
1
U - Military Science
1
Z - Library Science
1