Albrectsen, E. (2017) “Rex Insularum. the King of Norway and His ’Skattlands’ as a Political System c. 1260 - c. 1450. Ed.: Steinar Imsen. Fagbokforlaget, Bergen, 2014”., Historisk Tidsskrift, 116(2). Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/56859 (Set: 5 december 2025).