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Search Engines and Subject Directories

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General Subject Directory

Medical and Scientific Subject Directories

Extensive links to Internet resources in medicine, nursing, allied health and the sciences. Start with a subject directory to find medical and scientific information.

Search Engines

Search Engines Quick Guide Comparison of search engines including size, content, special features, and search instructions.

Meta Search Engine

Search several engines at once.

Specialty Search Engines

  • Biolinks Search engine for scientists with links to journals, organizations, and research tools.
  • Biology Browser Life sciences resources. Produced by BIOSIS.
  • Entrez Global Query Search across all of the National Center for Biotechnology databases.
  • FirstGov Access to U.S. federal, state and local government resources.
  • Google Language Tools Search in over 60 languages.
  • Invisible Web Index of databases of information that is invisible to search engines.
  • Scirus Search scientific-only content on the web.
  • Yahoo News National and international coverage including news photos and audio/video.
  • Yupi Spanish language search engine and internet portal.


  • AltaVista Babel Fish Translation Translates the following languages to and from English: Chinese, French, German, Italian, Japanese, Korean, Portuguese and Spanish. Translates from Russian to English.

This page maintained by Carole Foxman
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