primary sources: an original fundamental and authoritative document pertaining to an event or subject of inquiry; the main source one uses in research or paper writing.
secondary sources: any document that describes an event, person, place, or thing. usually created by someone other than the event, person, place, or thing
tertiary sources: A selection, distillation, summary or compilation of primary sources, secondary sources, or both.
archives: any extensive record or collection of data. For example, the encyclopedia.
special collections: In library science, special collections is the name applied to a specific repository or department, usually within a library, which stores materials of a “special” nature, including rare books, archives, and collected manuscripts.
Works Cited
Dictionary.com. Dictionary. 28 Apr. 2009 <http://www.dictionary.com>.