Literature Online Reference Resources
An 8-title collection of reference resources on poetry, the novel, and literary theory
Literature Online currently makes the following reference works searchable individually or as a group:

 

• The Encyclopedia of Post-Colonial Literatures in English (Routledge, 1994)
• Columbia Dictionary of Modern Literary and Cultural Criticism (Columbia University Press, 1995)
• Encyclopedia of American Poetry: The Nineteenth Century (Fitzroy Dearborn Publishers, 1998)
• Encyclopedia of the Novel (Fitzroy Dearborn Publishers, 1998)
• New Princeton Encyclopedia of Poetry and Poetics (Princeton University Press, 1993)
• The Columbia Companion to the Twentieth-Century American Short Story (Columbia University Press, 2001)
• The Columbia Dictionary of Modern European Literature (Columbia University Press, 1980)

Oxford English Dictionary
Complete text of the 20-volume Second Edition, first published in 1989, with its 3-volume Additions Series, published in 1993 (vols 1 and 2) and 1997 (vol 3). Draft material for the upcoming 3rd edition (2010) also included.

Contains 45,000 authoritative articles on all aspects of the visual arts: painting, sculpture, graphic arts, architecture, decorative arts and photography.

Concise Medical Dictionary
-from Oxford Reference Online