1. CLMET3.0 = De Smet Hendrik, Diller Hans-Jürgen, Tyrkkö Jukka. 2013. The Corpus of Late Modern English Texts. Version 3.0. Leuven: K.U. Leuven.
2. COHA = Davies Mark. 2010. The Corpus of Historical American English. https://www.english-corpora.org/coha/ (30 March, 2022).
3. EEBO BYU = Davies Mark. 2017. Early English Books Online Corpus. https://www.english-corpora.org/eebo/ (5 April, 2022).
4. EEBOCorp 1.0 = Petré Peter. 2013. Early English Books Online Corpus 1.0. https://lirias.kuleuven.be/handle/123456789/416330 (5 February, 2021).
5. PPCME2 = Kroch Anthony, Taylor Ann, Santorini Beatrice. 2000- The Penn-Helsinki Parsed Corpus of Middle English, 2nd edn., release 4. Philadelphia, PA: University of Pennsylvania, Department of Linguistics. https://www.ling.upenn.edu/hist-corpora/PPCME2-RELEASE-4/index.html (5 February, 2021).