UrsulaLutzky. Discourse Markers in Early Modern English[Pragmatics & Beyond New Series, 227]. Amsterdam and Philadelphia: John Benjamins, 2012. ISBN 978-90-272-5632-4293 pp.
Aimer, Karin. 1997. “I think – an English Modal Particle”. In Toril Swan and Olaf Jansen Westvik (eds), Modality in Germanic Languages: Historical and Comparative Perspectives, 1–47. Berlin: Mouton de Gruyter.
Archer, Dawn and Jonathan Culpeper. 2003. “Sociopragmatic Annotation: New Directions and Possibilities in Historical Corpus Linguistics”. In Andrew Wilson, Paul Rayson and Tony McEnery (eds), Corpus Linguistics by the Lune: A Festschrift for Geoffrey Leech, 37–58. Frankfurt am Main: Lang.
Brinton, Laurel J.1996. Pragmatic Markers in English: Grammaticalization and Discourse Functions. Berlin: Mouton de Gruyter.
Brinton, Laurel J.2008. The Comment Clause in English: Syntactic Origins and Pragmatic Development. Cambridge: Cambridge University Press.
Culpeper, Jonathan and Merja Kytö. 2010. Early Modern English Dialogues: Spoken Interaction as Writing. Cambridge: Cambridge University Press.
Jucker, Andreas H.2002. “Discourse Markers in Early Modern English”. In Richard Watts and Peter Trudgill (eds), Alternative Histories of English, 210–30. London: Routledge.