{{cite web |url=https://marcus.uib.no/instance/webresource/8ab5673b-4ef0-42c7-8615-7371e52cbcda |title=Diplom datert 1442 (?), 18. juli. Bergen. Trykt i Diplomatarium Norvegicum B.4. Nr. 886 |author=Avdeling for spesialsamlinger |accessdate=Sat Apr 20, 2024 |publisher=University of Bergen Library}}