{{cite web |url=https://marcus.uib.no/instance/webresource/f9851943-8b63-4d94-95b1-e7f5fb559c44 |title=Diplom datert 1406, 1. mars. Uten sted, Trykt i Diplomatarium Norvegicum B.4. Nr.757 |author=Avdeling for spesialsamlinger |accessdate=Fri Apr 19, 2024 |publisher=University of Bergen Library}}