Classification
P - Language and Literature
109
H - Social Science
11
Q - Science
7
B - Philosophy, Psychology, Religion
6
A - General Works
4
D - World History
3
J - Political Science
3
T - Technology
3
L - Education
2
M - Music
2
N - Fine Arts
2
Z - Library Science
2
C - Historical Sciences
1
G - Geography, Anthropology, Recreation
1
R - Medicine
1