Lib Web Cats - Searchable database of over 5,000 library sites worldwide. Listings include mailing addresses and links to online catalogs. ISBNDB - Multilingual database of international standard book numbers. Offers the possibility to investigate by category. 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. Library and Information Science - IFLA list of world wide web accessible libraries worldwide sorted by countries. Law Libraries Worldwide - Chan Robles and Associates provides links to major law libraries around the world. List of Judaica Library Websites - Alphabetically sorted links to Jewish library websites. US State Library Links - List of US libraries sorted alphabetically and by state. Philadelphia Area Consortium of Special Collections Libraries - Includes links to member libraries, online exhibits, and catalogs. 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. 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. Canadian Directory of Special Collections - Directory for these types of libraries in Canada. Contains the description and history of each collection.