Ukjent
{{cite web |url=https://marcus.uib.no/instance/reference/a81fbdfb4e62c4fb1899a511282f6a3d7c2c959c |title=ubb-kk-n-401-020: Stephansen A/S gjenn... (s. Ukjent) |author=Avdeling for spesialsamlinger |accessdate=Fri Mar 29, 2024 |publisher=University of Bergen Library}}