Classification
H - Social Science
17
P - Language and Literature
13
N - Fine Arts
6
M - Music
4
D - World History
3
A - General Works
2
J - Political Science
2
K - Law
2
L - Education
2
Q - Science
2
S - Agriculture
2
Z - Library Science
2
B - Philosophy, Psychology, Religion
1
G - Geography, Anthropology, Recreation
1
U - Military Science
1