Classification
P - Language and Literature
217
H - Social Science
60
Q - Science
33
D - World History
29
G - Geography, Anthropology, Recreation
20
J - Political Science
16
S - Agriculture
14
B - Philosophy, Psychology, Religion
12
R - Medicine
10
K - Law
7
T - Technology
4
M - Music
3
N - Fine Arts
3
A - General Works
1
L - Education
1
U - Military Science
1