How many movies have Arnold Zweig and Klaus Piontek collaborated on?

They have worked on 3 movies together! Their first movie together was Der Streit um den Sergeanten Grischa (1968) while their highest rated movie together was Junge Frau von 1914 (1970). They have not worked together since Erziehung vor Verdun (1973). They are most known for their drama films together.