Klassifikationsnummer
L - Education
714
H - Social Science
40
K - Law
26
Z - Library Science
22
B - Philosophy, Psychology, Religion
11
G - Geography, Anthropology, Recreation
11
Q - Science
11
R - Medicine
10
P - Language and Literature
9
N - Fine Arts
7
T - Technology
5
J - Political Science
3
M - Music
2
C - Historical Sciences
1