Health Sciences Subject Directories

Guides to online health sciences resources. Most allow both browsing by subject and keyword searching.

• Hardin Meta Directory of Internet Health Sources
  Hardin Library for the Health Sciences, University of Iowa

• HealthWeb
  Greater Midwest Region, National Network of Libraries of Medicine

• Martindale's Health Science Guide

• MedWeb
  Robert W. Woodruff Health Sciences Center Library, Emory University

• Karolinska Institutet
  Sweden's largest medical library

• OMNI
  University of Nottingham Greenfield Medical Library, UK

• Vivisimo
  Choose My Selection to search PubMed@NIH or FirstGov. Vivisimo organizes search results lists into hierarchical folders allowing researchers to hone in on the most relevant results quickly.

Search Engines and Metasearch Engines

• AlltheWeb
• Altavista
  • Babel Fish Translation
• Clutsy
• Dogpile
• Feedster
• Google
  • Google Scholar
  • Google Unclesam
• Internet Archive ("WayBack Machine")
• Search.com
• Recommended Search Engines compiled by Tisch librarians

General Web Directories

• Librarians' Index to the Internet
• Yahoo

Invisible Web
Search web resources that are not usually indexed by search engines, e.g., databases and catalogs.

• CompletePlanet
• InvisibleWeb.com