Classification
H - Social Science
22
S - Agriculture
21
K - Law
16
J - Political Science
12
Q - Science
10
C - Historical Sciences
4
E - United States History
4
A - General Works
3
D - World History
3
M - Music
3
T - Technology
3
Z - Library Science
3
G - Geography, Anthropology, Recreation
1
P - Language and Literature
1
R - Medicine
1
V - Naval Science
1