Traces the evolution of the English language over the last millennium and includes definitions, history, and pronunciation of over half a million English words, present and past.
A reference for scholars of Old and Middle English (8th to12th centuries). It consists of a searchable collection of 3037 texts--at least one copy of every surviving Old English text.
The Oxford Reference Online Premium contains about 100 dictionary, language reference, and subject reference works published by Oxford University press.
Merriam-Webster's Encyclopedia of Literature provides up-to-date entries for literary terms and vocabulary as well as information about authors and works.
Full text of the 32-volume Encyclopaedia Britannica; additional articles and images not available in the print set; and of Webster's Third New International Dictionary Unabridged.
The Oxford Dictionary of Foreign Words and Phrases by 