Dewey ® Services at a glance
- Provides a logical system for organizing every item in your library’s unique collection
- Offer library users familiarity and consistency of a time-honored classification system used in 200,000 libraries worldwide
- Integrate updates to the DDC almost as soon as they happen through quarterly, electronic updates to WebDewey and Abridged WebDewey
- Classification standards are available in print and Web formats, and full and abridged editions
- The DDC provides meaningful notation in universally recognized Arabic numerals, well-defined categories and hierarchies, and a rich network of relationships among topics
- Teaching tools help librarians, library science students and library users use the DDC efficiently
- Selected ongoing changes to the DDC are posted to the Dewey Web site regularly
- The four-volume print edition of DDC 23 was published in May 2011. It provides many new and updated numbers and topics, as well as tools to enhance classifier efficiency, all without major revisions to the schedules.
- The first electronic versions of DDC 23 became available in WebDewey in May 2011.
WebDewey system requirements include: 300 MHz Pentium II; 64MB RAM; display resolution of 1024 x 768; and the latest version of Microsoft Internet Explorer or Netscape Navigator.
- WebDewey and Abridged WebDewey are available as add-on services to OCLC Connexion, OCLC’s flagship cataloging service
All copyright rights in the Dewey Decimal Classification system are owned by OCLC.
Dewey, Dewey Decimal Classification, DDC, OCLC and WebDewey are registered trademarks of OCLC.