Signatura
P - Language and Literature
37
H - Social Science
18
F - General American History
13
J - Political Science
12
D - World History
4
N - Fine Arts
4
L - Education
3
B - Philosophy, Psychology, Religion
1
C - Historical Sciences
1
G - Geography, Anthropology, Recreation
1
K - Law
1
M - Music
1
S - Agriculture
1