Library of Congress Call Number
H - Social Science
32
D - World History
18
P - Language and Literature
16
T - Technology
9
F - General American History
3
G - Geography, Anthropology, Recreation
3
C - Historical Sciences
2
R - Medicine
2
E - United States History
1
K - Law
1
N - Fine Arts
1
Q - Science
1
S - Agriculture
1
U - Military Science
1