ALiNUS: Searchable directory of academic library newsletters in the United States.
Bishop Library Index: Links to worldwide libraries, mostly with descriptions of the specific websites by Kenneth Bishop.
Bookwire: Descriptive listing of US libraries alphabetically and by state, as well as an index of Asian, European, Canadian and special libraries.
Canadian Directory of Special Collections: Directory for these types of libraries in Canada. Contains the description and history of each collection.
Global Reach: Searchable database which shows the involvement of librarians and libraries in international library activities.
Internet Quick Reference Shelf: Library Resources: Collection of links presented by the University of Indiana categorized by topics.
ISBNDB: Multilingual database of international standard book numbers. Offers the possibility to investigate by category.
Law Libraries Worldwide: Chan Robles & Associates provides links to major law libraries around the world.
Lib Web Cats: Searchable database of over 5,000 library sites worldwide. Listings include mailing addresses and links to online catalogs.
LibDex: World index of library sites with over 18,000 database entries. Includes a list of libraries by catalog vendor.
Libraries & Archives: List of references structured by topics as internet and science libraries.
Libraries and Archives: Index of links to universities and libraries worldwide as well as references to various directories.
Libraries of the World and their Catalogues: Links to national, academic and public libraries and their catalogues. Compiled by Sylvia Milne, a retired librarian.
Libraries411.com: Searchable directory and maps for over 20,000 US and Canadian public libraries.
Library and Information Science: IFLA list of world wide web accessible libraries worldwide sorted by countries.
Library and Related Resources: List of references indexed by topics like public, school and national libraries. Also includes sections about organisations and science resources.
Libweb: Searchable and categorized links to over 7,000 pages from libraries in over 100 countries, including academic, public and national libraries worldwide; library organizations and consortia; and related sites.
Lii.org: Librarianship: Point of access for librarian-selected internet resources worldwide asorted by topics.
List of Judaica Library Websites: Alphabetically sorted links to Jewish library websites.
National Library Catalogues Worldwide: Index of libraries with detailed descriptions about the handling of the search interfaces sorted by countries.
NLS/BPH: Reference Directories Index Page: A list of directories provided by the U.S. Library of Congress, National Library Service for the Blind and Physically Handicapped.
Philadelphia Area Consortium of Special Collections Libraries: Includes links to member libraries, online exhibits, and catalogs.
School Libraries on the Web: Worldwide directory of school library sites. The US categories also list related library organizations.
Switzerland's Directory of Archives and Databases: Information on contents, location, contact, online catalogues, and the conditions of use of hundreds of databases, archives and libraries in Switzerland.
The WWW Library Directory: Searchable directory of over 8,000 library and library-related sites worldwide arranged by countries. Includes a US section sorted by states.
US State Library Links: List of US libraries sorted alphabetically and by state.