{{cite web |url=https://marcus.uib.no/instance/webresource/0b8d7af7-f8e7-4f3a-a490-71565c54d59e |title=Diplom datert 1380 ell. 1381, 10. juli. Ullensvang (Hordaland). Trykt i Diplomatarium Norvegicum B.4. Nr. 519 |author=Avdeling for spesialsamlinger |accessdate=Fri Apr 19, 2024 |publisher=University of Bergen Library}}