Classification
C - Historical Sciences
173
F - General American History
145
E - United States History
132
B - Philosophy, Psychology, Religion
92
M - Music
71
T - Technology
46
D - World History
38
R - Medicine
30
P - Language and Literature
22
Q - Science
21
S - Agriculture
14
A - General Works
10
H - Social Science
9
J - Political Science
4
L - Education
3
Z - Library Science
3
G - Geography, Anthropology, Recreation
2
K - Law
2
N - Fine Arts
1
V - Naval Science
1