{{cite web |url=https://marcus.uib.no/instance/webresource/fd19303a-6a64-4954-9da9-e909fd39f489 |title=Diplom datert 1457,25.februar. Berge (Strandebarm, Hordaland).Trykt i Diplomatarium Norvegicum B.4. Nr. 939 |author=Avdeling for spesialsamlinger |accessdate=Tue Apr 23, 2024 |publisher=University of Bergen Library}}