List of Referential Search Engines
| The leading source for trustworthy and timely health and medical news and information. | |
| Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, technology, education, world news, and united states government and history. | |
| your gateway for interactive learning on the Web. | |
| Encyclopedia Britannica, Inc. is an American company best known for publishing the Encyclopedia Britannica, the world’s oldest continuously-published encyclopaedia. | |
| About.com is an online source for original information and advice, and was among the top 15 US Websites (Nielsen Online Spring 2008). It is written in English, and is aimed primarily at North Americans. It is owned by The New York Times Company. | |
| Wikipedia (Spoken content icon) is a free, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. |
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