How many movies have Hans Terofal and Rolf A. Wilhelm collaborated on?

They have worked on 11 movies together! Their first movie together was Venusberg (1963) while their highest rated movie together was Das Glöcklein unterm Himmelbett (1970). They have not worked together since Morgen fällt die Schule aus (1971). They are most known for their comedy films together.