Klassifikationsnummer
P - Language and Literature
4,392
B - Philosophy, Psychology, Religion
86
F - General American History
50
Q - Science
47
D - World History
30
Z - Library Science
29
H - Social Science
28
G - Geography, Anthropology, Recreation
24
L - Education
17
N - Fine Arts
17
C - Historical Sciences
9
J - Political Science
4
A - General Works
3
K - Law
3
R - Medicine
3
M - Music
2
T - Technology
1
U - Military Science
1