Signum
G - Geography, Anthropology, Recreation
138
H - Social Science
14
T - Technology
12
D - World History
11
F - General American History
10
P - Language and Literature
5
Q - Science
5
C - Historical Sciences
3
A - General Works
2
R - Medicine
2
B - Philosophy, Psychology, Religion
1
E - United States History
1
J - Political Science
1
K - Law
1
M - Music
1
Z - Library Science
1