Classification
P - Language and Literature
816
H - Social Science
83
F - General American History
52
M - Music
39
D - World History
37
K - Law
35
Q - Science
27
A - General Works
24
B - Philosophy, Psychology, Religion
24
C - Historical Sciences
17
J - Political Science
13
T - Technology
10
L - Education
7
S - Agriculture
6
G - Geography, Anthropology, Recreation
5
N - Fine Arts
5
R - Medicine
5
E - United States History
4
Z - Library Science
2
U - Military Science
1