'Ethnicity, migration theory, and the historiography of the Scandinavian settlement of England', in D. M. Hadley and J. D. Richards (eds.), Cultures in Contact: Scandinavian Settlement in England in the Ninth and Tenth Centuries (Brepols: Turnhout, 2000), 17-39.
(with Aleks Pluskowski) 'Antichrist superstars: the Vikings in hard rock and heavy metal', in D. Marshall (ed.), Mass Market Medievalisms: Essays on the Middle Ages in Popular Culture (MacFarland: Jefferson, 2007), 57-73.
(forthcoming, 2019) 'Viking metal', in K. Yri and S. Meyer (eds.), The Oxford Handbook of Music and Medievalism (OUP: Oxford)
(forthcoming, 2020) 'Anglo-Saxon swimming', in C. Twomey and D. Anlezark (eds.), Water in Anglo-Saxon England (Brepols)
(forthcoming, 2020) "Nata vimpi curmi da": dead languages and primordial nationalisms in folk metal music', in A. DiGioia, C. Doesburg and R.-L. Valijärvi (eds.), Multilingual Metal: Sociocultural, Literary and Linguistic Perspectives