How many movies have Robert Wiene and Rudolf Meinert collaborated on?

They have worked on 3 movies together! Their first movie together was Glanz und Elend der Kurtisanen (1920) while their highest rated movie together was Genuine: The Tragedy of a Vampire (1920). They have not worked together since Die Jagd nach dem Tode - 2. Teil: Die verbotene Stadt (1920).