| Veterinary Medicine Libraries Guide to veterinary medicine libraries worldwide sorted by countries. | |
| US State Library Links List of US libraries sorted alphabetically and by state. | |
| UNESCO Libraries Portal Searchable directory for libraries worldwide sorted by category. Includes links to libraries of secondary schools, universities and other tertiary institutions. | |
| 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. | |
| 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. | |
| School Libraries on the Web Worldwide directory of school library sites. The US categories also list related library organizations. | |
| Philadelphia Area Consortium of Special Collections Libraries Includes links to member libraries, online exhibits, and catalogs. | |
| 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. | |
| National Library Catalogues Worldwide Index of libraries with detailed descriptions about the handling of the search interfaces sorted by countries. | |
| List of Judaica Library Websites Alphabetically sorted links to Jewish library websites. | |
| Lii.org: Librarianship Point of access for librarian-selected internet resources worldwide asorted by topics. | |
| 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. | |
| Library and Related Resources List of references indexed by topics like public, school and national libraries. Also includes sections about organisations and science resources. | |
| Library and Information Science IFLA list of world wide web accessible libraries worldwide sorted by countries. | |
| Libraries411.com Searchable directory and maps for over 20,000 US and Canadian public libraries. | |
| Libraries of the World and their Catalogues Links to national, academic and public libraries and their catalogues. Compiled by Sylvia Milne, a retired librarian. | |
| Libraries and Archives Index of links to universities and libraries worldwide as well as references to various directories. | |
| Libraries & Archives List of references structured by topics as internet and science libraries. | |
| LibDex World index of library sites with over 18,000 database entries. Includes a list of libraries by catalog vendor. | |
| Lib Web Cats Searchable database of over 5,000 library sites worldwide. Listings include mailing addresses and links to online catalogs. | |
