Klassifikationsnummer
P - Language and Literature
40
H - Social Science
38
L - Education
28
J - Political Science
20
D - World History
9
G - Geography, Anthropology, Recreation
8
T - Technology
6
B - Philosophy, Psychology, Religion
5
K - Law
5
R - Medicine
3
C - Historical Sciences
2
N - Fine Arts
2
M - Music
1
Q - Science
1
U - Military Science
1
Z - Library Science
1