Klassifikationsnummer
B - Philosophy, Psychology, Religion
142
P - Language and Literature
113
H - Social Science
45
D - World History
25
F - General American History
12
M - Music
12
N - Fine Arts
12
J - Political Science
9
K - Law
9
R - Medicine
5
L - Education
4
Q - Science
4
G - Geography, Anthropology, Recreation
3
E - United States History
2
Z - Library Science
2
C - Historical Sciences
1
T - Technology
1