How many movies have Anna Lewandowska and Janina Niedźwiecka collaborated on?

They have worked on 4 movies together! Their first movie together was A Lady from the Window (1964) while their highest rated movie together was How I Unleashed World War II, Part I: The Escape (1970). They have not worked together since How I Unleashed World War II, Part II: Following the Arms (1970). They are most known for their war films together.