Library of Congress Call Number
H - Social Science
35
E - United States History
21
T - Technology
18
Z - Library Science
8
B - Philosophy, Psychology, Religion
4
J - Political Science
3
F - General American History
2
R - Medicine
2
G - Geography, Anthropology, Recreation
1
L - Education
1
N - Fine Arts
1
P - Language and Literature
1
S - Agriculture
1