{{cite web |url=https://marcus.uib.no/instance/webresource/9719dc0a-0479-4f56-a4e4-306112c1c990 |title=Diplom datert 1559, 14.maii. Kvamme (Valle,Aust-Agder). Trykt i Diplomatarium Norvegicum B. 9. Nr. 783 |author=Avdeling for spesialsamlinger |accessdate=Thu Mar 28, 2024 |publisher=University of Bergen Library}}