How many movies have Friedl Behn-Grund and Hubert von Meyerinck collaborated on?

They have worked on 10 movies together! Their first movie together was Brennende Grenze (1927) while their highest rated movie together was Die seltsamen Abenteuer des Herrn Fridolin B. (1948). They have not worked together since Black-White-Red Four Poster (1962). They are most known for their comedy films together.