2016 News in the Context of Regional and Functional Variation: A Corpus-Based Analysis of Newspaper Domains across Varieties of English. PhD Thesis, Department of English, American and Romance Studies, RWTH Aachen University.
2017 Sports News Around the World – a Quantitative Study of Register Features in Newspaper Sports Coverage. In The Discourse of Sport: Analyses from Social Linguistics, D. Caldwell, J. Walsh, E. W. Vine, and J. Jureidini (eds), 190–208. Routledge Studies in Sociolinguistics 12. London: Routledge.