Klassifikationsnummer
P - Language and Literature
293
H - Social Science
12
Z - Library Science
10
F - General American History
7
J - Political Science
6
K - Law
6
L - Education
5
G - Geography, Anthropology, Recreation
3
T - Technology
3
A - General Works
2
D - World History
2
Q - Science
2
B - Philosophy, Psychology, Religion
1
R - Medicine
1