Classification
N - Fine Arts
572
C - Historical Sciences
131
M - Music
111
P - Language and Literature
101
B - Philosophy, Psychology, Religion
73
A - General Works
54
D - World History
51
T - Technology
41
F - General American History
17
R - Medicine
13
E - United States History
8
L - Education
7
Z - Library Science
7
H - Social Science
5
K - Law
5
Q - Science
5
G - Geography, Anthropology, Recreation
3
S - Agriculture
2