WorldCat support

Frequently used links

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 FB apps. For instructions, see the Use WorldCat tools section of the WorldCat.org landing page:


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.