Classification
P - Language and Literature
1,162
M - Music
586
D - World History
65
H - Social Science
44
F - General American History
35
G - Geography, Anthropology, Recreation
20
B - Philosophy, Psychology, Religion
19
E - United States History
19
T - Technology
19
C - Historical Sciences
10
K - Law
7
J - Political Science
6
Q - Science
6
R - Medicine
5
U - Military Science
5
A - General Works
4
N - Fine Arts
2
V - Naval Science
2
Z - Library Science
2
L - Education
1
S - Agriculture
1