How many movies have Claus Prowe and Werner M. Lenz collaborated on?

They have worked on 4 movies together! Their first movie together was The Farmer from Brucknerhof (1956) while their highest rated movie together was Der Adler vom Velsatal (1957). They have not worked together since Unter Palmen am blauen Meer (1957). They are most known for their drama films together.