Classification
P - Language and Literature
81
H - Social Science
69
K - Law
67
D - World History
25
N - Fine Arts
11
B - Philosophy, Psychology, Religion
7
Q - Science
7
L - Education
5
G - Geography, Anthropology, Recreation
4
R - Medicine
4
T - Technology
3
U - Military Science
3
J - Political Science
2
M - Music
1
V - Naval Science
1
Z - Library Science
1