How many movies have Franz Loskarn and Hanns Beck-Gaden collaborated on?

They have worked on 4 movies together! Their first movie together was Wildschütz Jennerwein. Herzen in Not (1930) while their highest rated movie together was Wenn die Abendglocken läuten (1930). They have not worked together since Das heilige Schweigen (1930). They are most known for their drama films together.