Classification
P - Language and Literature
455
H - Social Science
87
F - General American History
58
K - Law
45
D - World History
34
B - Philosophy, Psychology, Religion
19
J - Political Science
19
N - Fine Arts
19
Q - Science
17
M - Music
11
C - Historical Sciences
7
L - Education
7
A - General Works
6
Z - Library Science
5
S - Agriculture
4
G - Geography, Anthropology, Recreation
3
U - Military Science
3
E - United States History
2
R - Medicine
1
T - Technology
1