Classification
P - Language and Literature
147
H - Social Science
89
B - Philosophy, Psychology, Religion
85
D - World History
79
F - General American History
60
L - Education
47
A - General Works
26
R - Medicine
20
Q - Science
14
K - Law
12
M - Music
12
T - Technology
8
C - Historical Sciences
5
E - United States History
5
G - Geography, Anthropology, Recreation
5
Z - Library Science
5
J - Political Science
3
N - Fine Arts
3
S - Agriculture
1
U - Military Science
1