How many movies have Bogusław Kozakiewicz and Urszula Śliwińska collaborated on?

They have worked on 6 movies together! Their first movie together was Pills for Aurelia (1958) while their highest rated movie together was Knights of the Teutonic Order (1960). They have not worked together since Paryż - Warszawa bez wizy (1967). They are most known for their drama films together.