21
{{cite web |url=https://marcus.uib.no/instance/reference/c98937a7fe9f1787bbb7371d04cc737ef21aaabf |title=ubb-kk-1318-2121: Attersyn Historisk b... (s. 21) |author=Avdeling for spesialsamlinger |accessdate=Fri Mar 29, 2024 |publisher=University of Bergen Library}}