1. CEMET: The Corpus of Early Modern English Texts. Compiled by Hendrik De Smet, University of Leuven.
2. CLMET(EV): The Corpus of Late Modern English Texts (Extended Version). Compiled by Hendrik de Smet, University of Leuven. https://perswww.kuleuven.be/~u0044428/clmet
3. Helsinki Corpus: The Helsinki Corpus of English Texts. 1991. Compiled by Matti Rissanen (Project leader), Merja Kytö (Project secretary); Leena Kahlas-Tarkka, Matti Kilpiö (Old English); Saara Nevanlinna, Irma Taavitsainen (Middle English); Terttu Nevalainen, Helena Raumolin-Brunberg (Early Modern English). Helsinki: Department of Modern Languages, University of Helsinki.
4. OED: Oxford English Dictionary. 3rd edn., online version. http://athens.oed.com. Accessed between 30/09/2019 and 22/02/2021.