Discontinuations and Relocations

Dewey classification numbers are updated frequently. When working with older records, compare their bib 082 fields with the the Dewey numbers for recent titles on the same topic. Change the call numbers for the older items as needed to group related material on the shelf.

Current Editions:

• Full: DDC 23
• Abridged: 15

The latest changes are listed in WebDewey’s “Updates” feature. A list of major changes since Edition 22 is accessible here, but note that it does not have the most current information.