Classification
M - Music
147
H - Social Science
120
D - World History
91
A - General Works
76
Q - Science
73
L - Education
51
S - Agriculture
46
J - Political Science
44
P - Language and Literature
41
B - Philosophy, Psychology, Religion
37
T - Technology
21
R - Medicine
15
G - Geography, Anthropology, Recreation
12
N - Fine Arts
10
Z - Library Science
9
U - Military Science
5
K - Law
2
C - Historical Sciences
1
E - United States History
1
F - General American History
1
V - Naval Science
1