Classification
H - Social Science
95
P - Language and Literature
72
F - General American History
58
C - Historical Sciences
37
M - Music
18
Q - Science
9
D - World History
8
R - Medicine
8
J - Political Science
4
E - United States History
3
G - Geography, Anthropology, Recreation
3
L - Education
2
S - Agriculture
1
T - Technology
1