Target a Category - Search The Web - Automatically Filter results
Look for something in the world history, and get results from top popular history sites online, where different historic events are recorded, written and posted.
Web-Multiple-Search-Engines.com allow users to perform filtered internet searches from different categories. This is an easy way to get quick revelant results when searching a specified subject on the internet.
Perform internet searches and get revelant results with a filtered search, by searching only websites indexed by categories.