CLIO: Columbia Libraries Online Catalog
CLIO is the online catalog for the Columbia and Barnard libraries. It includes over 4 million records for books, journal or newspaper titles (not articles), online resources, government documents, microforms, sound or video recordings, archival collections, etc.
An online catalog of the collections of 24,000 member libraries of the OCLC consortium, comprising more than 36 million records for books, serials, manuscript collections, audiovisual materials, computer files, and other media.
Center for Research Libraries
Search for historical collections, as well as current subscriptions to more than 7,000 titles rarely held in North American libraries,