Reference

=General Reference sites= =Encyclopedias= - Free sources - most are concise editions = = =Dictionaries=
 * Ref Desk free Reference Facts and News Resources.
 * Encyclopedia.comfeatures many reference sources including encyclopedias, dictionaries and thesauruses with facts, definitions, biographies, synonyms, pronunciation keys, word origins, abbreviations, and more.
 * Columbia Encyclopedia
 * Encyclopedia.comfeatures many reference sources including encyclopedias, dictionaries and thesauruses with facts, definitions, biographies, synonyms, pronunciation keys, word origins, abbreviations, and more.
 * Scholarpedia the peer-reviewed open-access encyclopedia written by scholars from all around the world.
 * Encyclopedia Mythica - an encyclopedia of world mythology, folklore and legend.
 * Cambridge American Dictionary
 * Merriam Webster Dictionary and Thesaurus
 * Rhyming Dictionary from RhymeZone
 * Word ReferenceEnglish, Spanish, Italian, French, Russian and German dictionaries

=Thesauruses= > Encarta Thesaurus =Quotations= =Almanacs= =Atlases=
 * Thesaurus.com
 * Bartlett's Quotations
 * Library Spot Quotations Page
 * Quotations Page
 * Infoplease
 * Farmer's Almanac
 * National Geographic
 * About.com - Geography
 * Embassy World Maps of the World
 * Education Place Outline Maps