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WorldCat Discovery

Connect your users to the information they need.
Connect your library to the world.

Both FirstSearch® and WorldCat Discovery will continue to be offered separately.

Access to the current version of FirstSearch will continue as we work to deliver critical functionality to WorldCat Discovery and finalize details to bring all FirstSearch users a new and improved WorldCat experience. WorldCat Discovery remains the user-facing interface to WorldShare® Management Services.

Additional details will be shared as they are confirmed. To receive ongoing updates about enhancements to the WorldCat Discovery service, register for Discovery and Reference email updates.

Also see Frequently Asked Questions.


Search WorldCat, the world’s most comprehensive library database

Identify resources at your library and in the collections of the world’s libraries. Library users and staff use WorldCat Discovery to search the WorldCat database of electronic, digital and physical resources; to identify materials they need and to find out where they are available.

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Expand your collection

You can discover more than 2.7 billion electronic, digital and physical resources with access to WorldCat and a central index that represents 2,459 e-content collections from providers such as Gale, ProQuest, Elsevier, Springer and others.

See everything that's included in the central index »
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Simplify your search

A new, mobile-ready discovery interface provides consolidated access to your electronic, physical and digital collections through a single search. Staff-specific features, such as MARC views, support streamlined reference workflows.

Learn more about features


Borrow, buy or connect to full text

Staff and users can choose from integrated delivery options: link directly to full text, link to your OPAC, borrow from another library or buy items directly from content sellers. Users connect to full text through built-in link resolution and an A to Z list when you have holdings in the WorldCat knowledge base. Interlibrary loan staff can use the full-featured searching and integrated ILL request button in WorldCat Discovery.

Learn more about resource sharing


Be visible where users start their search

WorldCat Discovery connects users back to your library from WorldCat.org™ and more than 50 popular consumer websites, such as Google, Goodreads and Wikipedia, when your library uses an OCLC Cataloging Subscription to represent its collections in WorldCat.

Learn more about partnerships

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Customize your discovery experience

Options like item location and real-time availability status, group views, remote database search, course reserves and more let you add functionality based on what's best for your library and its users.

View your options

Member Stories

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Bring your hidden resources to light

Discover how the Moravian Music Foundation exposed its rare and unique collections to music lovers worldwide.

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Improve the quality of your online catalog

See how Biblical Theological Seminary helps students and faculty find the resources they need through an up-to-date and intuitive online catalog.

"WorldCat Discovery is the most effective platform for managing and accessing health sciences e-resources. We transitioned the entire LSHSL collection from print to electronic using WorldCat Discovery."

Sean Varner
Assistant Director of Systems, Louis Stokes Health Sciences Library, Howard University