Classification
H - Social Science
90
D - World History
75
M - Music
46
B - Philosophy, Psychology, Religion
17
F - General American History
14
P - Language and Literature
13
J - Political Science
12
K - Law
7
G - Geography, Anthropology, Recreation
6
T - Technology
6
L - Education
5
Z - Library Science
5
S - Agriculture
4
R - Medicine
3
E - United States History
2
Q - Science
2
C - Historical Sciences
1
N - Fine Arts
1