Classification
M - Music
124
N - Fine Arts
23
T - Technology
17
B - Philosophy, Psychology, Religion
15
C - Historical Sciences
11
D - World History
9
R - Medicine
7
S - Agriculture
7
F - General American History
6
A - General Works
3
Q - Science
3
G - Geography, Anthropology, Recreation
2
H - Social Science
2
J - Political Science
2
Z - Library Science
2
E - United States History
1
K - Law
1
L - Education
1
U - Military Science
1
V - Naval Science
1