Library of Congress Call Number
T - Technology
272
Q - Science
170
H - Social Science
138
Z - Library Science
48
U - Military Science
22
L - Education
13
K - Law
11
J - Political Science
8
V - Naval Science
8
R - Medicine
5
A - General Works
4
B - Philosophy, Psychology, Religion
3
C - Historical Sciences
2
G - Geography, Anthropology, Recreation
2
N - Fine Arts
1