How many movies have Erna Kmínková and Helena Lebdušková collaborated on?

They have worked on 4 movies together! Their first movie together was Old Czech Legends (1953) and was their highest rated movie together. They have not worked together since Osudy dobrého vojáka Švejka – Švejkova budějovická anabase (1956). They are most known for their animation films together.