Classification
A - General Works
131
F - General American History
51
H - Social Science
39
N - Fine Arts
36
M - Music
30
E - United States History
15
B - Philosophy, Psychology, Religion
14
C - Historical Sciences
14
P - Language and Literature
10
R - Medicine
9
T - Technology
7
Z - Library Science
6
L - Education
3
D - World History
2
K - Law
1
S - Agriculture
1