“On the Composition and Function of Gutasaga”, Arkiv för nordisk filologi, vol. 99, p. 151-74, 1984.

“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

“Skírnir's Other Journey: The Riddle of Gleipnir”, in Gudar på jorden. Festskrift till Lars Lönnroth, Stockholm: Brutus Östlings Bokförlag Symposion, 2000, p. 67-75.

“Folklore and Philology Revisited: Medieval Scandinavian Folklore?”, in Norden og Europa. Fagtradisjoner i nordisk etnologi og folkloristikk, Olso: Novus forlag, 2000, p. 286-94.

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