Classification
H - Social Science
23
N - Fine Arts
7
P - Language and Literature
5
J - Political Science
3
D - World History
2
K - Law
2
L - Education
2
M - Music
2
Q - Science
2
S - Agriculture
2
A - General Works
1
G - Geography, Anthropology, Recreation
1
T - Technology
1
U - Military Science
1
Z - Library Science
1