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Caption Universal Decimal Classification: hierarchy  +
Creator Paul Otlet +
Source The Man Who Wanted to Classify the World  +
Categories La Pyramide , Base 10 , UDC
Modification date
"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by Semantic MediaWiki.
16:02:46, 3 April 2016  +
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