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“Ketils saga hængs, Friðþjófs saga frækna, and the Reception of the Canon Episcopi in Medieval Iceland”, in Skemmtiligastar Lygisögur: Studies in Honour of Galina Glazyrina, Moscow: Russian Academy of Sciences. Dmitry Pozharskiy University, 2012, p. 138-47.

“Transvektion und die verleumdete Frau in der skandinavischen Tradition (TSB D367): Ein neuerliches Überdenken des Super-Organischen in der Folkloristik”, in Text, Reihe, Transmisson: Unfestigkeit als Phänomen skandinavischer Erzählprosa 1500-1800, Tübingen and Basel: A. Francke Verlag, 2012, p. 183-204.

“'..very dark to me..very clear to you..' Child, Grundtvig, Laurenson, and King Orfeo (Child 19)”, in Child's Children: Ballad Study and Its Legacies, Trier: Wissenschaftlicher Verlag, 2012, p. 114-26.

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N. with Price, et al., “Witchcraft and Deep Time— a debate at Harvard”, Antiquity, vol. 84, p. 1-16, 2010. Website

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“Spirituality and Alchemy in Den vises sten (1379)”, in Lärdomber oc skämptan: Medieval Swedish Literature Reconsidered, Uppsala: Svenska Fornskrift-Sällskapet, 2008, p. 97-108. Website

“The Academic Calendar and 'Primal Scream' at Harvard”, in The Ritual Year and Ritual Diversity, Göteborg: Institutet för språk och folkminnen, 2007, p. 169-75.

“DgF 526 'Lokket med runer', Memory, and Magic.”, in Emily Lyle: The Persistent Scholar, Trier: Wissenschaftlicher Verlag, 2007, p. 206-11.

with others, “Interrogating Genre in the Fornaldarsögur: A Round-Table Discussion”, Viking and Medieval Studies, vol. 2, p. 275-96, 2007.

M. with Osborne, “Selections from Bjarkarímur ('Yuletide Beasts at Lejre', 'The Battle on the Ice')”, ANQ (American Notes and Queries): A Quarterly Journal of Short Articles, Notes and Reviews , vol. 20, no. 3, p. 44-47, 73-77, 2007.

“Skírnismál and Nordic Charm Magic”, in Reflections on Old Norse Myths, Turnhout: Brepols, 2007, p. 75-94. Website

S. with Gísli, “Virgilessrímur”, in The Virgilian Tradition: The First Fifteen Hundred Years, New Haven: Yale University Press, 2007, p. 881-88.

“'An Evil Woman is the Devil's Door Nail': Probing the Proverbial and Pictorial Patriarchate in medieval Scandinavia”, in Neue Wege in der Mittelalterphilologie, Frankfurt am Main/Basel: Peter Lang, 2005, p. 11-34. Website

“A Case of Witchcraft Assault in early nineteenth-century England as Ostensive Action”, in Witchcraft continued: Popular magic in modern Europe, Manchester: Manchester University Press, 2004, p. 1-28. Website