Signatura
P - Language and Literature
35
H - Social Science
13
D - World History
12
T - Technology
10
F - General American History
9
B - Philosophy, Psychology, Religion
8
N - Fine Arts
8
G - Geography, Anthropology, Recreation
5
K - Law
5
J - Political Science
4
L - Education
4
Q - Science
4
R - Medicine
3
C - Historical Sciences
2
S - Agriculture
1
Z - Library Science
1