Classification
D - World History
48
M - Music
48
J - Political Science
32
F - General American History
22
P - Language and Literature
18
H - Social Science
15
K - Law
15
E - United States History
2
G - Geography, Anthropology, Recreation
2
R - Medicine
2
T - Technology
2
U - Military Science
2
A - General Works
1
L - Education
1
S - Agriculture
1
V - Naval Science
1