Klassifikationsnummer
F - General American History
641
P - Language and Literature
426
H - Social Science
370
L - Education
257
G - Geography, Anthropology, Recreation
188
N - Fine Arts
141
A - General Works
98
E - United States History
92
M - Music
71
B - Philosophy, Psychology, Religion
66
J - Political Science
58
Z - Library Science
38
T - Technology
34
R - Medicine
30
C - Historical Sciences
28
K - Law
23
S - Agriculture
19
Q - Science
13
D - World History
9
U - Military Science
4
V - Naval Science
1