April 23, 2021

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Updated Statistics (as of June 1, 2015) About the Dewey Decimal Classification (DDC)

Filed by on June 2, 2015

A post today on 025.431: The Dewey Blog from the DDC team at OCLC (publishers of the classification) included a chart with some updated statistics about, “the database associated with the English-language version of DDC 23.”

For example:

  • There are now 40,174 explicit numbers in the DDC schedules.

  • Currently 29,552 mappings of DDC to LCSH (Library of Congress Subject Headings).

The complete chart with more numbers is available here.

About Gary Price

Gary Price (gprice@mediasourceinc.com) is a librarian, writer, consultant, and frequent conference speaker based in the Washington D.C. metro area. Before launching INFOdocket, Price and Shirl Kennedy were the founders and senior editors at ResourceShelf and DocuTicker for 10 years. From 2006-2009 he was Director of Online Information Services at Ask.com, and is currently a contributing editor at Search Engine Land.

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