Klassifikationsnummer
L - Education
289
H - Social Science
20
K - Law
14
P - Language and Literature
10
G - Geography, Anthropology, Recreation
9
B - Philosophy, Psychology, Religion
8
Q - Science
6
T - Technology
4
A - General Works
3
D - World History
3
R - Medicine
3
F - General American History
1
M - Music
1
U - Military Science
1
Z - Library Science
1