How many movies have Carmine Gallone and Oswald Hafenrichter collaborated on?

They have worked on 7 movies together! Their first movie together was Scipio Africanus: The Defeat of Hannibal (1937) while their highest rated movie together was The Life of Giuseppe Verdi (1938). They have not worked together since Amami, Alfredo! (1940). They are most known for their drama films together.