How many movies have Alfredo Nunes de Mattos and António Pinheiro collaborated on?

They have worked on 4 movies together! Their first movie together was A Rosa do Adro (1919) while their highest rated movie together was Os Fidalgos da Casa Mourisca (1921). They have not worked together since Mulheres da Beira (1923). They are most known for their drama films together.