How many movies have Michael Bohnen and Ruth Goetz collaborated on?

They have worked on 5 movies together! Their first movie together was The Mistress of the World, Part I: The Girlfriend of the Yellow Man (1919) and was their highest rated movie together. They have not worked together since The Mistress of the World, part V: Ophir, the city of the past (1920). They are most known for their adventure films together.