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Faculty Guide to Library Services

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The World Catalog/Worldshare

WorldCat is a union catalog comprised of the collections of 72,000 libraries in 170 countries that participate in the Online Computer Library Center (OCLC).

Search 330 million records, representing over 2 billion items in 485 languages. UML print and e-books appear first, followed by regional and global holdings. It's one click to InterLibrary Loan.


WorldCat is a manifestation of the creativity and innovation of thousands of librarians over several generations, who built a common resource that is unique in scale, and a de facto world library. WorldCat makes library collections findable and accessible anywhere on Earth. The WorldCat is owned, supported and led by its member libraries, including UMass Lowell.