{{cite web |url=https://marcus.uib.no/instance/webresource/5bb0c5e4-60f3-4768-9180-362943f7b515 |title=Diplom datert 1247, 29. september. Oslo. Trykt i Diplomatarium Norvegicum B.l. Nr. 39. |author=Avdeling for spesialsamlinger |accessdate=Fri Apr 26, 2024 |publisher=University of Bergen Library}}