She painted landscapes, portraits and interiors, in particular interiors from farmers' houses. Se is represented with art works in several galleries in Norway, including the National Gallery of Norway. Her literary works include audio plays, as well as a biography of actress Aase Bye.[1][2]
^ abMidtskaug, Anne Kathrine. "Ruth Krefting". Norsk kunstnerleksikon (in Norwegian). Oslo: Nasjonalmuseet for kunst, arkitektur og design. Retrieved 7 September 2018.