LibrarySpot.com

Reference collection including dictionaries, encyclopedias, newspapers, maps, reading lists, and quotations.

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.

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.

ReferenceDesk.org

A large categorized collection of reference links to over 600 different sites.

The Info Service

An enormous reference resource featuring links in categories like programming, computer help, genealogy, hobbies, business and travel.

Trussel's EclectiCity

Links cataloged in the form of on-line publishing: stories, articles, dictionaries, bibliographies, song-lists, word-lists, phone-lists, and translations.

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.

Zvon

Guides and tutorials. Focuses on programming, law, libraries and planet Earth.