1. Corpus of Middle English Prose and Verse 1997 Developed by the Humanities Text Initiative https://quod.lib.umich.edu/m/med/
2. Dictionary of Old English Web Corpus 2009 Antonette diPaolo Healey, John Price Wilkin & Xin Xiang (eds.), University of Toronto https://tapor.library.utoronto.ca/doecorpus/