How many movies have Dieter Wedekind and Gus Backus collaborated on?

They have worked on 7 movies together! Their first movie together was Drei weiße Birken (1961) while their highest rated movie together was The Merry Girls of Tyrol (1964). They have not worked together since Ich kauf mir lieber einen Tirolerhut (1965). They are most known for their comedy films together.