Ukjent
{{cite web |url=https://marcus.uib.no/instance/reference/99f15f21c7c208b07ad8da6a3bf6d8b16ecb9ece |title=ubb-kk-1318-0334: Tegning, form, farge... (s. Ukjent) |author=Avdeling for spesialsamlinger |accessdate=Thu Mar 28, 2024 |publisher=University of Bergen Library}}