This site from the University of Toronto provides a search engine to several electronic early modern English dictionaries. Designed to make accessible the English-language content of bilingual (English and other languages) and monolingual (English-only) dictionaries, glossaries, grammars, and encyclopedias published in England from 1500 to 1660.

Provides a comprehensive analysis of lexicon and usage for the period 1100-1500, based on the analysis of a collection of over three million citation slips. Part of the Middle English Compendium, which also provides access to a HyperBibliography and the Corpus of Middle English Prose and Verse.