How many movies have Friedrich Weinmann and Ruth Goetz collaborated on?

They have worked on 4 movies together! Their first movie together was The Mistress of the World, Part VII: The Benefactress of Mankind (1920) while their highest rated movie together was The Mistress of the World, Part VIII: The Revenge of Maud Fergusson (1920). They have not worked together since The Second Shot (1923). They are most known for their drama films together.