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OCLC Support

How do I get updates to the DDC23 and Abridged 15?

Applies to
  • WebDewey

The best source of updates is WebDewey, which incorporates all changes to the print editions, plus additional index terms and built numbers, and many other enhancements.

OCLC now offers a print-on-demand option if you prefer online access. The print-on-demand option will include the latest changes and topics available in the DDC and will be updated biannually, with releases occurring in January and July.


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