How often is WebDewey updated?

Dewey Services content is updated quarterly. WebDewey is the most up to date, authoritative version of DDC 22. Abridged WebDewey is the most up to date, authoritative version of Abridged Edition 14. Details about quarterly enhancements are posted on the Dewey web site. When logged on to WebDewey, click the "Home" link on the top, black header bar in Connexion. On the right side, click "WebDewey information" to access the list of quarterly enhancements.

Last revised: 28 May 2008