Library of Congress Call Number
R - Medicine
248
T - Technology
134
Q - Science
107
S - Agriculture
26
H - Social Science
25
G - Geography, Anthropology, Recreation
17
L - Education
12
U - Military Science
5
D - World History
2
E - United States History
2
Z - Library Science
2
B - Philosophy, Psychology, Religion
1
F - General American History
1
K - Law
1