Bradley, S.A.J. 2004. Grundtvig’s Use of the Exeter Book’s Billed-Sprog: The Case of ‘Rune-Bladet’ and ‘Rune-Kiævlet’. Grundtvig-Studier. 55, 1 (jan. 2004), 255–266. DOI:https://doi.org/10.7146/grs.v55i1.16462.