Duffield, Nigel. 2019. While we’re on the subject. In Metin Bağrıaçık, Anne Breitbarth, and Karen De Clercq (eds.).  Mapping Linguistic Data. Essays in honour of Liliane Haegeman. WebFestschrift. Ghent: Ghent University.

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Duffield, Nigel. 2015. Where not to put why, and why not? Konan University Faculty Journal 164. (LingBuzz/002367)

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Duffield, Nigel. 2013. Grammatica una et eadem est secundum substantiam in omnibus linguis, licet accidentaliter varietur: Reflections on Universal Grammar and the importance—or otherwise—of Language Diversity. Konan University Faculty Journal 163.

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Duffield, Nigel. 2012. Sapir-Whorf redux: what might just be right about Linguistic Relativity? Ms. available at http://ngduffield.staff.shef.ac.uk/papers/sapirwhorfredux.

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Duffield, Nigel 2011. Roll up for the Mystery Tour: Commentary on Evans & Levinson 2009. Lingua (special issue, edited by Johan Rooryck & Neil Smith).