Klassifikationsnummer
L - Education
4,585
H - Social Science
127
G - Geography, Anthropology, Recreation
107
D - World History
56
Q - Science
54
Z - Library Science
51
A - General Works
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R - Medicine
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B - Philosophy, Psychology, Religion
41
K - Law
39
T - Technology
35
P - Language and Literature
33
N - Fine Arts
17
J - Political Science
10
F - General American History
7
M - Music
7
S - Agriculture
7
C - Historical Sciences
3