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| [ Kids/Teens/Mature Teens ] - Reference site allows you to search over the Columbia Encyclopedia, the Encyclopedia of World History, fact books, thesauri, quotes, and more. |
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| [ Kids ] - Collection of articles about famous women written by third and fourth grade students. |
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| [ Teens/Mature Teens ] - Comprehensive online encyclopedia and database of over 51,000 entries. |
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| [ Teens/Mature Teens ] - Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Free trial available. |
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| [ Kids/Teens/Mature Teens ] - Free resource offers more than 50,000 concise articles. |
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| [ Kids/Teens/Mature Teens ] - EncycloZine is a concise illustrated encyclopedic portal covering a wide range of topics in the arts, humanities, sciences, and technology. It also features games, puzzles, quizzes, and a multimedia gallery. |
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| [ Kids/Teens/Mature Teens ] - Articles explain how hundreds of things work, from elements of the human body to space-age technology. |
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| [ Kids/Teens/Mature Teens ] - A guide to more than musical 140 instruments from all parts of the world. Includes photographs and descriptions. |
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| [ Kids/Teens/Mature Teens ] - Online home of the Encarta encyclopedia, world atlas, dictionary, thesaurus, multimedia collection, and homework tools. |
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| [ Teens/Mature Teens ] - A volunteer-run open content encyclopedia, inspired by the Open Directory Project. |
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