How many movies have Ludmila Hrubá and Miloslav Faderhons collaborated on?

They have worked on 3 movies together! Their first movie together was Dvě Cecilky (1969) while their highest rated movie together was Zločin na Zlenicích hradě (1972). They have not worked together since Zločin na Zlenicích hradě (1972). They are most known for their family films together.