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Reference

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reference picture - stack of reference books

Stack Of Reference Books

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This is the Reference category. Reference works contain useful facts or information about a particular subject. Popular reference genres include almanacs, atlases, and dictionaries as well as encyclopedias and thesauri. Reference web sites are designed to present brief items of information such as definitions, data, or statistics. Online reference sources often enable users to search for information by keyword or phrase. Well-known reference works include the 1768 edition of the "Encyclopedia Britannica", the 1793 edition of "The Farmer's Almanac" by Robert Thomas; the 1841 edition of "An American Dictionary of the English Language" by Noah Webster, and the 1852 edition of the "Thesaurus of English Words and Phrases" by Peter Mark Roget.

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