How many movies have Jan Rutkiewicz and Krzysztof Wierzbiański collaborated on?

They have worked on 4 movies together! Their first movie together was Kierunek Berlin (1969) while their highest rated movie together was Ostatnie dni (1969). They have not worked together since Wiktoryna, czyli czy pan pochodzi z Beauvais? (1972). They are most known for their war films together.