{{cite web |url=https://marcus.uib.no/instance/webresource/df333c62-0381-4ea0-98ee-6f0d6d3e235d |title=Diplom datert 1559, 1. mai. Oslo. Trykt i Diplomatarium Norvegicum B. 9. Nr. 7820 |author=Avdeling for spesialsamlinger |accessdate=Fri Apr 26, 2024 |publisher=University of Bergen Library}}