AltaVista: http://www.altavista.com/
Geniusfind:http://www.geniusfind.com/
Google Guide: http://www.googleguide.com/
Inktomi's HotBot: http://www.hotbot.com/
Ixquick: http://ixquick.com/
Metacrawler (search the search engines): http://www.metacrawler.com/
Vivisimo: http://vivisimo.com/
Web Crawler Searches Google, Yahoo, Ask and more: http://www.webcrawler.com/
The Invisible Web
Complete Planet: http://aip.completeplanet.com
Direct Search: http://www.freepint.com/gary/direct.htm
Infomine (scholarly): http://infomine.ucr.edu/
Profusion (U. of KS): http://www.joeant.com/DIR/info/get/15892/11580
Virtual Library: http://vlib.org/
Internet Research Guide: http://webliminal.com/search/index.html
