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Subject Encyclopedias 48

Directories 2
Open Content 56

Encyclopedias - Reference Tools, School Time, Kids and Teens 15

Ask an Expert - Reference 93
Includes the Columbia Encyclopedia, Sixth Edition, dictionaries, and thesauri.
 Britannica ConciseBritannica Concise
Featuring 28,000 short articles.
 Classic EncyclopediaClassic Encyclopedia
Browsable online version of the 1911 edition of the Encyclopaedia Britannica.
Electronic encyclopedia with its own content as well as over 10,000 links to the best reference sites on the Internet.
 Encyclopaedia Britannica OnlineEncyclopaedia Britannica Online
Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Full text for subscribers only; free trial available.
 Encyclopedia SmithsonianEncyclopedia Smithsonian
Links to on-line Smithsonian resources and answers to frequently asked questions from A to Z.
 HighBeam EncyclopediaHighBeam Encyclopedia
Offers articles from the Columbia Encyclopedia and Britannica Concise Encyclopedia.
 How Stuff WorksHow Stuff Works
Articles explain how hundreds of things work, from elements of the human body to space-age technology.
 Hutchinson EncyclopediaHutchinson Encyclopedia
"A subset of the content (concise set) is provided for free, the access to the rest of the Hutchinson Encyclopedia requires subscription."
 Information PleaseInformation Please
Online dictionary, Columbia Encyclopedia, and almanac reference.
Peer-reviewed encyclopedia from Google. Articles are written by named contributors.
 Nuttall Encyclopædia of General KnowledgeNuttall Encyclopædia of General Knowledge
Approximately 14,000 entries on topics including art, geography, literature, philosophy, religion. Originally published in 1907.
 Online EncyclopediaOnline Encyclopedia
Offers articles from on the 11th edition Encyclopedia Britannica, and from the Crystal Reference Encyclopedia. All articles are searchable and alphabetized.
 The Probert EncyclopaediaThe Probert Encyclopaedia
Reference source with entries covering a broad variety of subjects.
 Simple English WikipediaSimple English Wikipedia
User-contributed online encyclopedia intended for people whose first language is not English.
User edited encyclopedia based on Wiki software. Contains articles, information on editing, and a list of differences between this encyclopedia and Wikipedia.
A free encyclopedia with millions of articles contributed collaboratively using Wiki software, in dozens of languages.
 World Book EncyclopediaWorld Book Encyclopedia
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.



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