How many movies have Hermann Leitner and Liesgret Schmitt-Klink collaborated on?

They have worked on 3 movies together! Their first movie together was Pulverschnee nach Übersee (1956) while their highest rated movie together was Ferien auf Immenhof (1957). They have not worked together since Jungle Girl and the Slaver (1957). They are most known for their comedy films together.