Klassifikationsnummer
P - Language and Literature
186
F - General American History
61
D - World History
60
B - Philosophy, Psychology, Religion
40
Q - Science
34
N - Fine Arts
30
G - Geography, Anthropology, Recreation
23
T - Technology
23
E - United States History
20
H - Social Science
8
Z - Library Science
6
M - Music
5
R - Medicine
5
J - Political Science
4
S - Agriculture
4
U - Military Science
3
A - General Works
2
K - Law
2
L - Education
2
V - Naval Science
2