Library of Congress Call Number
H - Social Science
419
T - Technology
42
Z - Library Science
25
Q - Science
19
J - Political Science
16
L - Education
15
P - Language and Literature
12
E - United States History
11
F - General American History
10
R - Medicine
10
B - Philosophy, Psychology, Religion
9
D - World History
9
G - Geography, Anthropology, Recreation
8
C - Historical Sciences
4
U - Military Science
3
A - General Works
2
M - Music
2
K - Law
1
N - Fine Arts
1
S - Agriculture
1