1. Directories:
Open Directory Project - "...largest human-edited directory of the Web"
www.dmoz.org
Librarian's Internet Index - Database of about 20,000 websites on a variety of topics. Offers a newsletter.
http://lii.org
Infomine: Scholarly Internet Research Collection from the University of California-Riverside
http://infomine.ucr.edu
Digital Librarian maintained by Margaret Vail Anderson, a librarian
www.digital-librarian.com
2. Pathfinders:
Boswell, Wendy. The Invisible Web: How To Find and Search the Invisible Web. About.com. 2009.
http://websearch.about.com/od/invisibleweb/a/invisible_web.htm
Lackie, Robert J. Those Dark Hiding Places: The Invisible Web Revealed. Rider University Libraries. November 2008.
New URL: http://library.rider.edu/scholarly/rlackie/Invisible/Inv_Web.html
Tool Kit for the Expert Web Searcher. The Invisible Web. Library and Information Technology Association (LITA) Wiki, maintained by Pat Ensor (14 July 2006).
http://wikis.ala.org/lita/index.php/The_Invisible_Web
A tutorial from the UC Berkeley Library. Invisible or Deep Web: What It Is, How to Find It, And Its Inherent Ambiguity. December 2008.
www.lib.berkeley.edu/TeachingLib/Guides/Internet/InvisibleWeb.html
3. Search Tools:
www.completeplanet.com - BrightPlanet - Searches over 70,000 databases
www.closerlooksearch.com - Example of a vertical search engine
www.oaister.org - Union catalog of digital resources using the Open Archives Initiative Harvesting Protocl.
http://hakia.com - Example of semantic Web searching
http://turbo10.com - "Search the deep Net"
www.deepdyve.com - "Research engine for the Deep Web"
www.freepint.com/gary/direct.htm - Gary Price compilation of resources. No longer maintained. Last updated 6/26/2002.
BASE - Bielefeld Academic Search Engine - University of Bielefeld Academic Search Engine
4. Specialized Databases:
www.findarticles.com - Now part of Bnet; free and premium articles in business
www.findlaw.com - information on federal and state laws, lawsuits, etc.
www.eric.ed.gov - Digital library of education research and information
http://worldwidescience.org - "The global science gateway"
www.science.gov - "Authoritative U.S. government science information"
www.scienceresearch.com - A free Web portal to science journals and science databases
www.archive.org/web/web.php - Wayback Machine - archive of websites
www.usa.gov - The official Web portal to the U. S. government
www.loc.gov - Library of Congress
www.ncbi.nlm.nih.gov/pubmed/ - PubMed: U.S. National Library of Medicine portal to government-funded medical research
www.imdb.com - Internet movie database
www.intute.ac.uk/ - British database of Web resources for education and research. Covers humanities, health sciences, natural sciences, and the social sciences.
www.hoovers.com/free - Listing of companies, people, and industries.
5. How to Keep Up-to-date:
www.marylaine.com/neatnew.html
6. Weblogs:
Deep Web Research - http://deepwebresearch.blogspot.com/
Invisible Web Weblog - http://invisibleweblog.blogspot.com/
Maintained by Yazdan Mansourian.
7. Foreign language sources:
http://europeana.eu/ - A digital European library available in 25 languages.
www.internetinvisible.com/ii/ - A Spanish directory of free databases
http://c.asselin.free.fr/french/invisible_web.htm - "Web invisible, web cache, web profound," a French tutorial on the Invisible Web.
Last updated: June 2009