Klassifikationsnummer
Z - Library Science
225
F - General American History
41
H - Social Science
32
P - Language and Literature
20
K - Law
12
B - Philosophy, Psychology, Religion
6
C - Historical Sciences
6
M - Music
6
L - Education
5
G - Geography, Anthropology, Recreation
4
A - General Works
3
Q - Science
3
N - Fine Arts
2
T - Technology
2
U - Military Science
2
E - United States History
1
J - Political Science
1
R - Medicine
1
S - Agriculture
1