Classification
P - Language and Literature
82
H - Social Science
66
F - General American History
59
C - Historical Sciences
20
B - Philosophy, Psychology, Religion
19
K - Law
18
A - General Works
14
M - Music
14
J - Political Science
12
D - World History
7
Q - Science
4
L - Education
3
G - Geography, Anthropology, Recreation
2
R - Medicine
1
S - Agriculture
1
T - Technology
1