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Encyclopedias and Dictionaries

Find many reference works here including both encyclopedias, reference databases, and dictionaries.

Dictionaries

Oxford English Dictionary (OED) This link opens in a new window
The largest and most comprehensive English dictionary. Provides a history of most words through examples of usage in written works of literature. Print version available in Clemens Oversize PE1625 .O87 1989

Green's Dictionary of Slang
Authoritative collection of English slang covering five centuries and many countries.

Oxford Music Online This link opens in a new window
Incorporates Grove Music Online, the Oxford Dictionary of Music, and the Oxford Companion to Music.

Urban Dictionary
User-created content; the "wild west" of dictionaries.

Oxford Reference This link opens in a new window
Reference books by Oxford University Press, including the Oxford Digital Reference Shelf.
CREDO Reference This link opens in a new window
Dictionaries, encyclopedias, etc. from a variety of sources.