WorldCat support
Frequently used links
- Searching WorldCat Indexes
- Cataloging documentation
- Bibliographic Formats and Standards
- Authorities: Format and Indexes
Related documentation
Search in WorldCat Discovery
Use advanced search strategies and filter results to optimize your search results in WorldCat Discovery.
Configure deep links
Enable deep links to your OPAC from WorldCat item records. See the WorldCat Registry documentation to configure or modify URL syntax (link structure) as a part of your institutional profile in the WorldCat Registry.
WorldCat Registry
Complete your institutional profile.
Link to WorldCat
Use a URL syntax that builds WorldCat links on-the-fly around an OCLC Number, ISBN, or ISSN. Limit WorldCat results to only those libraries within a particular geographic area.
WorldCat tools
Keep library resources close at hand from your browser or personalized Web page. Add the world's libraries to your mobile and social media apps. The following instructions are linked from the WorldCat.org landing page:
- Widgets and Web services
- WorldCat Search API
- Apps and browser plug-ins
- Link to WorldCat
- Add a WorldCat badge
Related sites
Find general information about WorldCat on the WorldCat and WorldCat.org marketing sites.
Find information to Promote WorldCat in your library.
Stay informed
Stay up on important WorldCat information, including new content and other changes to the service. Subscribe to the OCLC-Cat mailing lists.