How many movies have Erich Claunigk and J.A. Hübler-Kahla collaborated on?

They have worked on 4 movies together! Their first movie together was Frauenarzt Dr. Bertram (1957) while their highest rated movie together was Passionate Doctor (1959). They have not worked together since Frau Irene Besser (1961). They are most known for their drama films together.