Middle English Dictionary
The world's largest searchable database of Middle English lexicon and usage for the period 1100-1500. An invaluable resource for lexicographers, language scholars, and all scholars in medieval studies.
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Image: The Ellesmer Manuscript of Geoffrey Chaucer's The Canterbury Tales, c. 1400-1405. Shown is the introduction to "The Knight's Tale." Available online at the Huntington Library 