Classification
M - Music
2,827
P - Language and Literature
251
B - Philosophy, Psychology, Religion
119
R - Medicine
97
D - World History
50
Q - Science
36
G - Geography, Anthropology, Recreation
11
T - Technology
8
K - Law
6
N - Fine Arts
6
S - Agriculture
4
C - Historical Sciences
3
H - Social Science
3
U - Military Science
3
Z - Library Science
3
F - General American History
2
A - General Works
1
E - United States History
1
J - Political Science
1