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Paratext databases are available for libraries via rights-in-perpetuity access.

This site is intended for library officers and personnel only.


Reference Universe

Reference Universe reveals comprehensive scholarly, authoritative introductions using your library's own specialized reference collection.

Data: 40 million citations.

Eight Centuries

Eight Centuries is offers offering more than 100 primary source datasets in Humanities, Engineering, History of Science, Legal Studies, the Arts, and more.

Data: 85 million citations.

United States Masterfile

United States Masterfile is a resource for American public documents and federally-funded research reports, from 1774 to 2024.


Data: 20 million citations.



bird is a new application for collection, selection, and public services librarians, as well as other advanced researchers. bird is unique-- profiling 7.500+ research databases, matched to each library's collection.



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