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99 Resources to Research & Mine the Invisible Web, originally from College Degee.com, posted by Marcus P. Zillman at LLRX.com


Be warned. Not all resources listed here – and there are many more at the link above — are sometimes fee based. You may need to sort and give each a test run to see whether it performs as you wish. Still, it includes some interesting search engines, databases, and other resources that are not usually found. If you are a serious researcher, you will find these useful. -CCE

College researchers often need more than Google and Wikipedia to get the job done. To find what you’re looking for, it may be necessary to tap into the invisible web, the sites that don’t get indexed by broad search engines. The following resources were designed to help you do just that, offering specialized search engines, directories, and more places to find the complex and obscure.

Search Engines

Whether you’re looking for specific science research or business data, these search engines will point you in the right direction.

  1. Turbo10: On Turbo10, you’ll be able to search more than 800 deep web search engines at a time.

  2. Agrisurf: If you’re searching for information related to agriculture and farming, check out this engine.

  3. IncyWincy: This search engine canvasses the deep web.

  4. Direct Search: Direct Search covers the invisible web, offering results in books, government, and much more.

  5. SurfWax: The SurfWax search engine taps into the deep web and offers search tools for feeds, news, blogs, and more.

  6. ZoomInfo: Get information about corporations and job searchers here.

  7. Internet Archive: Here you’ll be able to find movies, music, text, and more, even including sites and pages that no longer exist.

  8. TenKWizard: This business search engine covers Forbes, specific industries, and exchanges.

  9. ZabaSearch: This search engine serves up public records like phone numbers and addresses.

  10. Clusty: Perform your search across a number of engines at once with Clusty.

  11. BusinessResearch: This deep web search scours the business web.

  12. The Online Books Page: Here you can search for more than 25,000 full-text works.

  13. E-Print: Check out E-Print to find sites and databases for scientists and engineers from one search engine.

  14. Guggenheim Museum: Search for artists through this database.

  15. Kompass: On this search engine, you’ll find entries for products, services, and companies.

  16. Scirus: Search journal sources and more with this scientific information search.

  17. TechXtra: On TechXtra, you’ll be able to search for resources in engineering, mathematics, and computing.

  18. Smithsonian National Portrait Gallery: Find portraits for more than 80,000 people in this database.

  19. Science Research Portal: In this research portal, you can search the deep web for scientific topics.

  20. Infoplease: Infoplease offers a search engine that combines reference tools like an encyclopedia, atlas and almanac.

  21. Pipl: Pipl brings together profiles, public records, and documents to serve up relevant information about people. . . .