General
- WorldCat — Find items in libraries near you. An open access website.
- WorldCat (FirstSearch) — OCLC catalog off-campus access via the proxy service.
- WorldCat Discovery Services — OCLC’s new catalog interface and discovery service.
New York City and Metropolitan Area
- Brooklyn Public Library
- METRO Member Directory — Metropolitan area libraries and their catalogs
- Nassau Library System — NLS Online
- New York Public Library (NYPL)
- Queens Library
- St. John’s University Library (Jamaica, New York)
- Suffolk County Catalog (public libraries of Suffolk County)
U.S & Worldwide
- European Library — Catalogs of European National Libraries
- Library of Congress
- libraries.org — A directory of libraries throughout the world
- Libweb — Library Servers