How many movies have Ulrike Butz and Wolf C. Hartwig collaborated on?

They have worked on 10 movies together! Their first movie together was Die dressierte Frau (1972) while their highest rated movie together was Bedtime Stories for Grownups (1974). They have not worked together since Schoolgirl Report Part 7: What The Heart Must Thereby… (1974). They are most known for their comedy films together.