Signatura
P - Language and Literature
110
D - World History
102
H - Social Science
41
B - Philosophy, Psychology, Religion
33
J - Political Science
18
K - Law
18
N - Fine Arts
10
T - Technology
6
G - Geography, Anthropology, Recreation
5
F - General American History
4
L - Education
4
M - Music
4
C - Historical Sciences
3
R - Medicine
3
A - General Works
2
Z - Library Science
2