Library of Congress Call Number
Q - Science
690
T - Technology
165
R - Medicine
126
E - United States History
18
S - Agriculture
13
Z - Library Science
12
H - Social Science
10
G - Geography, Anthropology, Recreation
9
C - Historical Sciences
8
L - Education
3
P - Language and Literature
3
A - General Works
1
B - Philosophy, Psychology, Religion
1
N - Fine Arts
1
U - Military Science
1