{{cite web |url=https://marcus.uib.no/instance/webresource/c5c8781e-2042-46cd-951a-5822c00b3bcf |title=Diplom datert 1455, 13. desember. Suldal (Rogaland). Trykt i Diplomatarium Norvegicum B.6. Nr. 550 |author=Avdeling for spesialsamlinger |accessdate=Sun Oct 06, 2024 |publisher=University of Bergen Library}}