Library of Congress Call Number
T - Technology
165
L - Education
142
H - Social Science
136
R - Medicine
122
Q - Science
56
Z - Library Science
25
K - Law
12
S - Agriculture
7
G - Geography, Anthropology, Recreation
4
U - Military Science
3
B - Philosophy, Psychology, Religion
2
P - Language and Literature
2
C - Historical Sciences
1
D - World History
1
J - Political Science
1
N - Fine Arts
1