Classification
M - Music
2,213
P - Language and Literature
189
B - Philosophy, Psychology, Religion
108
D - World History
62
R - Medicine
46
K - Law
33
Q - Science
24
G - Geography, Anthropology, Recreation
7
Z - Library Science
7
C - Historical Sciences
6
H - Social Science
6
J - Political Science
5
A - General Works
4
S - Agriculture
4
N - Fine Arts
3
F - General American History
2
T - Technology
2
E - United States History
1
U - Military Science
1
V - Naval Science
1