Albrectsen E. Rex Insularum. the King of Norway and His ’Skattlands’ as a Political System c. 1260 - c. 1450. Ed.: Steinar Imsen. Fagbokforlaget, Bergen, 2014. ht [Internet]. 7. marts 2017 [henvist 18. juli 2024];116(2). Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/56859