Library of Congress Call Number
T - Technology
641
H - Social Science
259
Q - Science
251
Z - Library Science
115
L - Education
56
R - Medicine
49
P - Language and Literature
22
G - Geography, Anthropology, Recreation
20
K - Law
19
J - Political Science
17
B - Philosophy, Psychology, Religion
14
U - Military Science
14
C - Historical Sciences
7
D - World History
7
A - General Works
6
E - United States History
6
N - Fine Arts
4
M - Music
3