Signum
B - Philosophy, Psychology, Religion
451
D - World History
83
P - Language and Literature
40
H - Social Science
15
L - Education
12
N - Fine Arts
6
A - General Works
5
E - United States History
4
G - Geography, Anthropology, Recreation
4
K - Law
3
U - Military Science
3
Z - Library Science
3
J - Political Science
2
T - Technology
2
C - Historical Sciences
1
M - Music
1