Klassifikationsnummer
D - World History
88
P - Language and Literature
74
H - Social Science
37
B - Philosophy, Psychology, Religion
30
J - Political Science
17
K - Law
16
N - Fine Arts
7
T - Technology
5
F - General American History
4
G - Geography, Anthropology, Recreation
4
M - Music
4
R - Medicine
3
C - Historical Sciences
2
L - Education
2
Z - Library Science
2
A - General Works
1