Classification
P - Language and Literature
449
B - Philosophy, Psychology, Religion
234
L - Education
62
K - Law
59
Q - Science
55
D - World History
39
H - Social Science
29
N - Fine Arts
17
J - Political Science
14
R - Medicine
10
C - Historical Sciences
9
T - Technology
7
G - Geography, Anthropology, Recreation
6
Z - Library Science
4
A - General Works
3
E - United States History
1
M - Music
1