How many movies have Alfredo Malerba and Libertad Lamarque collaborated on?

They have worked on 12 movies together! Their first movie together was Ayúdame a vivir (1936) while their highest rated movie together was Rosas blancas para mi hermana negra (1970). They have not worked together since La mamá de la novia (1978). They are most known for their drama films together.