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Top: Reference: Encyclopedias:

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  • Bartleby.com Zapisz - Includes the Columbia Encyclopedia, Sixth Edition, dictionaries, and thesauri.
  • Britannica Concise Zapisz - Featuring 28,000 short articles.
  • Classic Encyclopedia Zapisz - Browsable online version of the 1911 edition of the Encyclopaedia Britannica.
  • Encyberpedia Zapisz - Electronic encyclopedia with its own content as well as over 10,000 links to the best reference sites on the Internet.
  • Encyclopaedia Britannica Online Zapisz - Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Full text for subscribers only; free trial available.
  • Encyclopedia Smithsonian Zapisz - Links to on-line Smithsonian resources and answers to frequently asked questions from A to Z.
  • HighBeam Encyclopedia Zapisz - Offers articles from the Columbia Encyclopedia and Britannica Concise Encyclopedia.
  • How Stuff Works Zapisz - Articles explain how hundreds of things work, from elements of the human body to space-age technology.
  • Hutchinson Encyclopedia Zapisz - "A subset of the content (concise set) is provided for free, the access to the rest of the Hutchinson Encyclopedia requires subscription."
  • Information Please Zapisz - Online dictionary, Columbia Encyclopedia, and almanac reference.
  • Knol Zapisz - Peer-reviewed encyclopedia from Google. Articles are written by named contributors.
  • Nuttall Encyclopædia of General Knowledge Zapisz - Approximately 14,000 entries on topics including art, geography, literature, philosophy, religion. Originally published in 1907.
  • Online Encyclopedia Zapisz - Offers articles from on the 11th edition Encyclopedia Britannica, and from the Crystal Reference Encyclopedia. All articles are searchable and alphabetized.
  • Simple English Wikipedia Zapisz - User-contributed online encyclopedia intended for people whose first language is not English.
  • The Probert Encyclopaedia Zapisz - Reference source with entries covering a broad variety of subjects.
  • Wikinfo Zapisz - User edited encyclopedia based on Wiki software. Contains articles, information on editing, and a list of differences between this encyclopedia and Wikipedia.
  • World Book Encyclopedia Zapisz - Online version of the complete reference work along with dictionary, atlas, links, magazines, historical documents, audio, video, images, and 3D photographs. Requires free temporary registration with option to buy continued access for full articles.