Signum
D - World History
57
H - Social Science
40
P - Language and Literature
38
L - Education
14
T - Technology
11
J - Political Science
7
G - Geography, Anthropology, Recreation
5
N - Fine Arts
5
Q - Science
4
F - General American History
3
K - Law
3
R - Medicine
3
S - Agriculture
3
Z - Library Science
3
B - Philosophy, Psychology, Religion
2
C - Historical Sciences
2
E - United States History
2
M - Music
2
U - Military Science
1