Signum
P - Language and Literature
1 293
M - Music
100
B - Philosophy, Psychology, Religion
24
F - General American History
16
D - World History
9
N - Fine Arts
7
G - Geography, Anthropology, Recreation
5
T - Technology
4
H - Social Science
3
Q - Science
3
Z - Library Science
3
C - Historical Sciences
2
L - Education
2
A - General Works
1
E - United States History
1
R - Medicine
1