Classification
P - Language and Literature
102
B - Philosophy, Psychology, Religion
71
H - Social Science
51
D - World History
33
J - Political Science
16
L - Education
8
N - Fine Arts
7
M - Music
6
K - Law
4
Q - Science
4
A - General Works
3
G - Geography, Anthropology, Recreation
3
R - Medicine
3
T - Technology
3
C - Historical Sciences
2
S - Agriculture
2
Z - Library Science
2
F - General American History
1