sagas
“The Whetstone as Symbol of Authority in Old English and Old Norse”, Scandinavian Studies, vol. 57, p. 1-31, 1985. Website
Heroic Sagas and Ballads. Ithaca: Cornell University Press, 1991. Website
“Blåkulla and its Antecedents: Transvection and Conventicles in Nordic Witchcraft”, Alvíssmál. Forschungen zur mittelalterlichen Kultur Skandinaviens , vol. 7, p. 81-100, 1997. Website
“Anaphrodisiac Charms in the Nordic Middle Ages: Impotence, Infertility, and Magic”, Norveg. The Norwegian Journal of Folklore, vol. 38, p. 19-42, 1998.
“Folklore and Philology Revisited: Medieval Scandinavian Folklore?”, in Norden og Europa. Fagtradisjoner i nordisk etnologi og folkloristikk, Olso: Novus forlag, 2000, p. 286-94.
“Forging Traditions: Oral and Literary Multiforms of Kämpen Grimborg (ST 7)”, Arv: The Yearbook of Scandinavian Folklore, vol. 57, p. 55-69, 2001.
“Warlocks, Varlots and Valkyries: A Prolegomenon to the Development of North Sea Witchcraft Terminology”, Cosmos, vol. 17, p. 59-81, 2001.
“Magic as Acquired Art and the Ethnographic Value of the Sagas”, in Old Norse Myths, Literature and Society, Viborg: University Press of Southern Denmark, 2003, p. 132-52. Website
Scandinavian 150: The Vikings and the Nordic Heroic Tradition
Witchcraft and Magic in the Nordic Middle Ages. Philadelphia: University of Pennsylvania Press, 2011. Website


