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‘Martyrdom and the rise of missionary hagiography in the Merovingian world’, in R. Flechner & M. Ni Mhaonaigh (eds.), The Introduction of Christianity into the Early Medieval Insular World (Turnhout: Brepols, 2016), pp. 157-80.
‘Apocalyptic outsiders and their uses in the early medieval West’, in W. Brandes, F. Schmieder & R. Voß (eds.), Peoples of the Apocalypse (Berlin & New York: De Gruyter, 2016), pp. 307-20.
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‘Hagiography and time in the Carolingian vitae of St Boniface’, in R. Corradini, M. Diesenberger & M. Niederkorn-Bruck (eds.), Zwischen Niederschrift und Wiederschrift, Forschungen zur Geschichte des Mittelalters 18 (Munich & Vienna: Verlag der Österreichischen Akademie der Wissenschaften, 2010), pp. 93-106.
‘Anskar’s imagined communities’, in H. Antonsson & I. Garipzanov (eds.), Saints and their Lives on the Periphery (Turnhout: Brepols, 2010), pp. 171-88.
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‘The Frankish cult of martyrs and the case of the two saints Boniface’, Revue bénédictine, 114. 3-4 (2004), 326-48.
‘Rimbert’s Vita Anskarii and Scandinavian mission in the ninth century’, Journal of Ecclesiastical History, 55. 2 (2004), 235-56. [READ]
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