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Gale Virtual Reference Library This link opens in a new window
Includes over 200 reference works in the humanities, social sciences, and the sciences.
This resource has links to both print and online encyclopedias owned by the MSU Libraries.
Oxford Reference Online
Contains online versions of dictionaries and encyclopedias previously published in paper by Oxford University Press.
Oxford English Dictionary Online
The Oxford English Dictionary is the accepted authority on the evolution of the English language over the last millennium. It is an unsurpassed guide to the meaning, history, and pronunciation of over half a million words, both present and past.