How many movies have Heinrich Weidemann and Hertha Feiler collaborated on?

They have worked on 3 movies together! Their first movie together was Die schöne Müllerin (1954) while their highest rated movie together was Wenn die Alpenrosen blüh'n (1955). They have not worked together since Solange noch die Rosen blüh'n (1956). They are most known for their drama films together.