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Dewey® Services

Updates to DDC 23

Listed below are updates made to the Dewey Decimal Classification® (DDC) system. For more details, please click on the item.


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The Dewey blog is a great source for news and views on classification issues as well as interesting and unusual DDC resources and curiosities. It's also a convenient way to share feedback directly to the DDC editors to help shape the future of the DDC.

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