{{cite web |url=https://marcus.uib.no/instance/webresource/db650a84-d8d9-441c-93f0-08f0bed4d4d6 |title=Diplom datert 1441, 25. april. Uten sted. Trykt i Diplomatarium Norvegicum B.1. Nr. 776 |author=Avdeling for spesialsamlinger |accessdate=Fri Oct 18, 2024 |publisher=University of Bergen Library}}