Signum
N - Fine Arts
554
T - Technology
56
D - World History
41
Z - Library Science
26
P - Language and Literature
15
B - Philosophy, Psychology, Religion
12
M - Music
12
G - Geography, Anthropology, Recreation
10
H - Social Science
10
A - General Works
4
J - Political Science
4
L - Education
4
C - Historical Sciences
2
E - United States History
2
R - Medicine
2
S - Agriculture
2
F - General American History
1
Q - Science
1
U - Military Science
1