Klassifikationsnummer
P - Language and Literature
16,917
D - World History
145
G - Geography, Anthropology, Recreation
142
A - General Works
101
E - United States History
99
F - General American History
98
M - Music
91
B - Philosophy, Psychology, Religion
70
Q - Science
59
N - Fine Arts
56
H - Social Science
50
Z - Library Science
30
T - Technology
29
S - Agriculture
14
C - Historical Sciences
13
L - Education
13
R - Medicine
7
J - Political Science
6
K - Law
4
U - Military Science
2
V - Naval Science
1