Signum
H - Social Science
96
J - Political Science
40
L - Education
16
Q - Science
10
B - Philosophy, Psychology, Religion
7
K - Law
6
R - Medicine
4
Z - Library Science
4
G - Geography, Anthropology, Recreation
3
F - General American History
2
P - Language and Literature
2
S - Agriculture
2
C - Historical Sciences
1
D - World History
1
T - Technology
1
V - Naval Science
1