Classification
H - Social Science
150
M - Music
66
P - Language and Literature
55
S - Agriculture
25
D - World History
16
F - General American History
16
T - Technology
14
A - General Works
8
C - Historical Sciences
4
Z - Library Science
4
K - Law
3
R - Medicine
3
B - Philosophy, Psychology, Religion
2
E - United States History
2
J - Political Science
1
V - Naval Science
1