Dozomo let's you reach 194 search engines, dictionaries, maps -- virtually any web service -- from one place. Dozomo sends you directly to the result page of the things you're looking for.
"Symbols.com is a unique online encyclopedia that contains everything about symbols, signs, flags and glyphs arranged by categories such as culture, country, religion, and more.
Explore our world of symbols by category, alphabetically or simply search by keywords."
"References.net is a multidisciplinary web directory of the most useful reference related resources that were carefully hand-picked by our editors. Browse our references collection by category, alphabetically, or simply search by keywords."
Wikipedia is a Web-based, free-content encyclopedia written collaboratively by volunteers and sponsored by the non-profit Wikimedia Foundation. It contains entries both on traditional encyclopedic topics and on almanac, gazetteer, and current events topics. Its purpose is to create and distribute a free international encyclopedia in as many languages as possible. Wikipedia is the most popular reference site on the internet, receiving tens of millions hits per day.