{{cite web |url=https://marcus.uib.no/instance/webresource/f82c3b31-e126-451a-8b22-9265a8ff4cc7 |title=Diplom datert 1422, 3. april. Tandar (Ringsaker, Hedmark). Trykt i Diplomatarium Norvegicum B.4. Nr. 817 |author=Avdeling for spesialsamlinger |accessdate=Thu Mar 28, 2024 |publisher=University of Bergen Library}}