Classification
N - Fine Arts
623
M - Music
134
C - Historical Sciences
131
P - Language and Literature
106
B - Philosophy, Psychology, Religion
73
A - General Works
56
D - World History
56
T - Technology
43
F - General American History
26
R - Medicine
13
E - United States History
8
Z - Library Science
8
L - Education
7
H - Social Science
5
K - Law
5
Q - Science
5
G - Geography, Anthropology, Recreation
3
S - Agriculture
3
J - Political Science
1