http://www.thesearchenginelist.com/

http://searchenginewatch.com/links/

http://en.wikipedia.org/wiki/List_of_search_engines

http://pandecta.com/search_engine_list.html

http://www.20search.com/

http://searchenginewatch.com/links/article.php/2156221

http://www.searchengineyearbook.com/search-engine-list.shtml

http://www.ehow.com/how_2037283_learn-search-listings.html

http://www.web-friend.com/help/search/searchhelp.html

http://websearch.about.com/od/enginesanddirectories/tp/search-engine-list.htm