Classification
H - Social Science
34
M - Music
14
S - Agriculture
11
D - World History
10
J - Political Science
9
Q - Science
6
Z - Library Science
5
B - Philosophy, Psychology, Religion
3
G - Geography, Anthropology, Recreation
2
L - Education
2
P - Language and Literature
2
T - Technology
2
C - Historical Sciences
1
K - Law
1
N - Fine Arts
1