Education Index   "Topic-by-topic breakdown of the best sites on the World Wide Web."

Homework Center Multnomah Public Library's choice Internet resources organized by topics most commonly requested for homework assignments.  Very good!

Infomine Scholarly Internet Resource Collections.

LibrarySpot.Com  A wealth of links to libraries, reference tools (dictionaries, almanacs, etc.), web sites by topic, study aides, etc.

Mining Company Expert Guides "A network of sites led by expert guides."

SciQuest (gateway to 50K sites) "Your gateway to the best online science resources and breaking research news."

SOU Library's Reference Resources on the Web Excellent selection of Internet Sources  selected by the Reference Librarians at Southern Oregon University.