- ReferenceDesk.org - A large categorized collection of reference links to over 600 different sites.
- Langenberg - Provides access to multiple phone, reference, geographic, business, search, and media databases with integrated search tools.
- RCLS DeskRef - Sources for quick answers to reference questions. From the Ramapo Catskill Library System of Middletown, New York.
- Martindale's Reference Desk - Large collection of links to reference resources, including language centers, calculators, maps, and science tables.
- Melissa Data - ZIP Codes, area codes, cities, states, addresses, information about non-profit organizations, people who have contributed to political campaigns, and demographics.
- Business Reference Page - Links to directories of business information, phone numbers, government resources, maps, FAQs, dictionaries, and financial calculations.
- Refdesk.com - A one-stop site for all things Internet including news, weather, sports, reference, encyclopedia (50 areas), facts on file, FAQs, tutorials, search engines, Win95, free stuff, and games. Includes over 20,000 links.
- The Info Service - An enormous reference resource featuring links in categories like programming, computer help, genealogy, hobbies, business and travel.
- Virtual Learning Resources Center - Search a collection of resources recommended by librarians and educators. Select from subject specific databases or general web sites, news sources, or electronic text archives.
- LibrarySpot.com - Reference collection including dictionaries, encyclopedias, newspapers, maps, reading lists, and quotations.
- Lexico Publishing Group, LLC - Independent company offers a dictionary, thesaurus, and word of the day mailing list, with details of services and sponsorship.
- Trussel's EclectiCity - Links cataloged in the form of on-line publishing: stories, articles, dictionaries, bibliographies, song-lists, word-lists, phone-lists, and translations.
- IPL Associations on the Net - Search Associations on the Internet through the Internet Public Library.
- Address and Phone Numbers (187)
- Mailing Lists@ (7)
- E-mail (10)
- Whois Domain Name Search@ (51)
- Web Directories@ (447)
- Usenet@ (4)