How many movies have Agostino Salvietti and Cesare Zavattini collaborated on?

They have worked on 6 movies together! Their first movie together was Canto, ma sottovoce... (1946) while their highest rated movie together was Yesterday, Today and Tomorrow (1963). They have not worked together since Yesterday, Today and Tomorrow (1963). They are most known for their comedy films together.

Role
Gennaro Esposito (segment "Il guappo")
Crew
Screenplay