Signatura
P - Language and Literature
110
H - Social Science
24
B - Philosophy, Psychology, Religion
20
N - Fine Arts
19
D - World History
12
J - Political Science
9
L - Education
8
M - Music
8
F - General American History
7
G - Geography, Anthropology, Recreation
7
K - Law
6
Q - Science
5
C - Historical Sciences
4
A - General Works
3
Z - Library Science
3
S - Agriculture
2
T - Technology
1