History of Dewey Decimal System/Natural sciences and mathematics
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Revision 2
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(edit)
June 20, 2001 7:22 am by
Paul Robinson
Revision 1
. . June 14, 2001 3:45 pm by
Larry Sanger
No diff available--this is the first major revision.
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minor diff
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History of Dewey Decimal System/Natural sciences and mathematics