HARÐARDÓTTIR, Guðrún. The Seal of Dignity of Archbishop Olav of Nidaros (1350–1370). Reflections on its Iconography and Cultural Context. ICO Iconographisk Post. Nordisk tidskrift för bildtolkning – Nordic Review of Iconography, [S.l.], n. 1-2, p. 73-92, june 2022. ISSN 2323-5586. Available at: <https://ojs.abo.fi/ojs/index.php/ico/article/view/1763>. Date accessed: 02 feb. 2023.