How many movies have F. X. Mlejnek and Ruda Jurist collaborated on?

They have worked on 4 movies together! Their first movie together was Fidlovačka (1930) while their highest rated movie together was Lelíček in the Services of Sherlock Holmes (1932). They have not worked together since Tisíc za jednu noc (1933). They are most known for their comedy films together.