How many movies have Ennio Girolami and Renzo Girolami collaborated on?

They have worked on 3 movies together! Their first movie together was Two R-R-Ringos from Texas (1967) while their highest rated movie together was Johnny Hamlet (1968). They have not worked together since Franco, Ciccio and the Cheerful Widows (1968). They are most known for their western films together.