Signum
E - United States History
750
J - Political Science
300
K - Law
178
H - Social Science
123
P - Language and Literature
91
B - Philosophy, Psychology, Religion
47
D - World History
20
N - Fine Arts
18
Z - Library Science
13
G - Geography, Anthropology, Recreation
11
U - Military Science
11
R - Medicine
10
F - General American History
9
T - Technology
5
M - Music
4
L - Education
2
A - General Works
1
C - Historical Sciences
1
Q - Science
1
S - Agriculture
1