{{cite web |url=https://marcus.uib.no/instance/webresource/1a02f30a-d529-478f-89f4-cd5c0a814153 |title=Diplom datert 1455, 2. juli. Elfsborg (Gøteborg). Trykt i Diplomatarium Norvegicum B.11. Nr. 200 |author=Avdeling for spesialsamlinger |accessdate=Wed Apr 24, 2024 |publisher=University of Bergen Library}}