Classification
H - Social Science
150
D - World History
109
K - Law
63
E - United States History
57
J - Political Science
34
B - Philosophy, Psychology, Religion
22
F - General American History
20
G - Geography, Anthropology, Recreation
17
R - Medicine
17
N - Fine Arts
16
T - Technology
15
C - Historical Sciences
11
L - Education
11
P - Language and Literature
9
S - Agriculture
9
Q - Science
5
Z - Library Science
5
M - Music
4
A - General Works
2
U - Military Science
2