- Atrium - Online catalog of University of Montreal. English and French version.
- CENTRA - Provides the online catalog for the Central Michigan University Libraries.
- Concordia University Libraries: CLUES Catalogue - Online catalog of Concordia University, Montreal, canada.
- Iris - Online catalog of Qubec national library (BANQ)
- Kentucky Virtual Library - Online catalogs and databases, and access to Kentuckiana digitized collections. User ID and password required.
- Library of Congress Online Catalog - Online access to the collections resident at the Library of Congress.
- LibraryLink - Online union catalog of the various Filipiniana Libraries in the Philippines.
- Manitoba Legislative Library - Provides access to the holdings of Manitoba public libraries, for use as cataloguing source or to initiate interlibrary loans.
- Metro Boston Library Network - Online catalogs in Eastern Massachusetts.
- MUSE - Online catalog of University of McGill, English and French version.
- NUcat - Online catalog of Northwestern University libraries
- OhioLINK - Shared catalog of the academic libraries of Ohio. Also provides access to databases and member information.
- Penelitian Hukum Indonesia - Online access to the Indonesian regulations collections at Penelitian Hukum Indonesia. User ID and password required.
- Smithsonian Libraries and Archives - Gateway to the collections of the Smithsonian Institute.
- The CAT iLink at The Pennsylvania State University - Online catalog of Pennsylvania State University
- University of Tokyo OPAC - Online catalog (English version) of University of Tokyo
- Worldcat - Meta search engine for online catalogs of libraries all over the world. Search for any book using a geographic location for the closest sources.
