Signatura
P - Language and Literature
35
F - General American History
11
D - World History
10
E - United States History
6
L - Education
3
B - Philosophy, Psychology, Religion
2
N - Fine Arts
2
C - Historical Sciences
1
H - Social Science
1
J - Political Science
1
M - Music
1
Q - Science
1
R - Medicine
1
T - Technology
1