1. CEMET: De Smet, H. 2013. Spreading Patterns: Diffusional Change in the English System of Complementation. Oxford: Oxford University Press, pp. 13–15.
2. CLMETEV: De Smet, H. 2005. A corpus of Late Modern English Texts. ICAME Journal 29: 69–82; De Smet, Hendrik. The Corpus of Late Modern English Texts (Extended Version). University of Leuven. https://perswww.kuleuven.be/∼u0044428/clmetev.htm.
3. PPCEME: Kroch, A., Santorini, B. & Delfs, L. 2004. The Penn-Helsinki Parsed Corpus of Early Modern English (PPCEME). Department of Linguistics, University of Pennsylvania. CD-ROM, first edition, release 3.
4. PPCME2: Kroch, A. & Taylor, A. 2000. The Penn-Helsinki Parsed Corpus of Middle English (PPCME2). Department of Linguistics, University of Pennsylvania. CD-ROM, second edition, release 4.
5. WordBanksOnline, WB): Collins WordbanksOnline, HarperCollins. https://www.collinsdictionary.com/wordbanks/.