How many movies have Harriet Medin and Ubaldo Terzano collaborated on?

They have worked on 3 movies together! Their first movie together was Black Sabbath (1963) while their highest rated movie together was Blood and Black Lace (1964). They have not worked together since Blood and Black Lace (1964). They are most known for their horror films together.

Role
Neighbor (segment "A Drop Of Water")
Crew
Director of Photography