Nylén, Erik (1996). "Sagan om ringarna" [The Saga of the rings] (PDF). Fornvännen (91): 1–12. Archived from the original(PDF) on 30 August 2021. Retrieved 13 May 2016.
Nylén, Erik (1996). "Sagan om ringarna" [The Saga of the rings] (PDF). Fornvännen (91): 1–12. Archived from the original(PDF) on 30 August 2021. Retrieved 13 May 2016.