Library of Congress Call Number
T - Technology
502
Q - Science
190
Z - Library Science
131
H - Social Science
65
L - Education
6
G - Geography, Anthropology, Recreation
5
C - Historical Sciences
4
P - Language and Literature
4
R - Medicine
4
D - World History
2
J - Political Science
2
K - Law
2
N - Fine Arts
2
A - General Works
1
E - United States History
1