(not including search engines or for-fee databases)
from a survey conducted by the Institute for Scientific Information
In alphabetical order:
* AGRICOLA
* American Chemical Society http://www.acs.org/ and http://www.chemistry.org/
* American Institute of Physics
* American Psychological Association
* AskERIC
* National Center for Biotechnology Information
* Centers for Disease Control and Prevention
* ChemWeb
* CiteSeer
* Philosophy Resources on the web
* ExPASy Molecular Biology Server
* IEEE
* Medscape
* National Institutes of Health
* PubMed
* Stanford Encyclopedia of Philosophy
* Stanford Linear Accelerator Center - SPIRES High Energy Physics Literature Database
Clinical Medicine
* AEGiS - AIDS Education Global Information System
* CogPrints - Cognitive Sciences E-Print Archive
* Combined Health Information Database
* DIRLINE - Directory of Health Organizations Online
Physical, Chemical & Earth Sciences
* Eric Weisstein's World of Mathematics
* Hubble Space Telescope Project
* Molecular Expressions - Images from the Microscope
* Chemistry.org - American Chemical Society
* Canada Centre for Remote Sensing
* NASA Goddard Institute for Space Studies
Life Sciences
* Cold Spring Harbor Laboratory
* American Society for Cell Biology
* National Human Genome Research Institute
* Entrez Search and Retrieval System
* Xenbase - cell and developmental biology of frogs web resource
* Internet resources for health and life sciences
Engineering, Computing & Technology
* Woods Hole Oceanographic Institution
* National Institute of Standards and Technology
Agriculture, Biology & Environmental Sciences
* Guide to the Orders of Trilobites
* Consultant - A Diagnostic Support System for Veterinary Medicine
* Biodiversity and WORLDMAP - Measuring the Variety of Nature and Selecting Priority Areas for Conservation
* National Climatic Data Center
* IRIS - Integrated Risk Information System
* NOAA Coral Health and Monitoring Program
Social & Behavioral Sciences
* Social Science Information Gateway (SOSIG)
* Becoming Human: Paleoanthropology, Evolution and Human Origins
* PovertyNet (World Bank Group)
* EUROPA - The European Union On-Line
* Atapuerca - A World Heritage Site
Arts & Humanities
* Archaeology of Egypt's Valley of the Kings
* Voices from the Dust Bowl - Charles L. Todd and Robert Sonkin Migrant Worker Collection 1940 -1941
* Web resources on English literature
* Gilder Lehrman Institute of American History
* James Joyce - The Brazen Head
* National D-Day Museum - New Orleans
* Corpus of Romanesque Sculpture in Britain and Ireland
* Modern American Poetry - An Online Journal and Multimedia Companion to Anthology of Modern American Poetry