Classification
H - Social Science
153
Q - Science
46
P - Language and Literature
38
T - Technology
36
C - Historical Sciences
31
Z - Library Science
30
B - Philosophy, Psychology, Religion
22
E - United States History
15
K - Law
14
J - Political Science
11
A - General Works
10
D - World History
8
L - Education
6
S - Agriculture
6
F - General American History
3
R - Medicine
2
M - Music
1
N - Fine Arts
1