Classification
P - Language and Literature
558
D - World History
160
H - Social Science
149
K - Law
113
J - Political Science
36
B - Philosophy, Psychology, Religion
21
L - Education
8
R - Medicine
7
G - Geography, Anthropology, Recreation
4
S - Agriculture
4
U - Military Science
4
E - United States History
3
F - General American History
3
M - Music
3
T - Technology
2
Z - Library Science
2
A - General Works
1
C - Historical Sciences
1
N - Fine Arts
1
Q - Science
1
V - Naval Science
1