Find links to U.S. public, academic, state, presidential and special libraries, as well as international libraries.
AMICUS: Canadian National Catalogue
30 million records from 1,300 Canadian libraries including Library and Archives Canada.
Archival Research Catalog (ARC)
Online catalog of the National Archives' holdings.
ARL (Association of Research Libraries)
Listing of North American academic research libraries.
Canadian Library Gateway
Find Canadian library websites and catalogs.
The European Library
Searches the content of European national libraries.
Gateway to Library Catalogs Z39.50 - Library of Congress
Search the Library of Congress Online Catalog and other catalogs worldwide that use Z39.50. Z39.50 is a national and international (ISO 23950) standard defining a protocol for computer-to-computer information retrieval.
Libdex is a worldwide directory of library homepages, web-based OPACs, Friends of the Library pages, and library e-commerce affiliate links.
Library of Congress Online Catalog
This catalog contains approximately 14 million records representing books, serials, computer files, manuscripts, cartographic materials, music, sound recordings, and visual materials. The Catalog also displays searching aids for users, such as cross-references and scope notes.
Libweb lists home pages of "real world" libraries. Find public, state, academic, special & school, national, organizations, regional consortia, and international libraries.
lib-web-cats (library web sites and catalogs)
A directory of libraries throughout the world. Includes special sections on U.S. presidential libraries, and public libraries in the U.S., United Kingdom, and Australia.
National Libraries of the World: Address List
A list of national libraries including those claiming this function but not having the actual title.
Public Library Locator
Search for public libraries by city, state and county. From the National Center for Education Statistics.
Find public, state, presidential, and academic libraries in the U.S. Also links to national libraries worldwide.