{{cite web |url=https://marcus.uib.no/instance/webresource/ce18a574-da63-406b-82e2-800354fb5ec1 |title=Norsk Biografisk Leksikon: Kristofer Lehmkuhl |author=Avdeling for spesialsamlinger |accessdate=Fri Apr 19, 2024 |publisher=University of Bergen Library}}