How many movies have Arch Whiting and Marvin J. Chomsky collaborated on?

They have worked on 2 movies together! Their first movie together was The F.B.I. Story: The FBI Versus Alvin Karpis, Public Enemy Number One (1974) while their highest rated movie together was Attack on Terror: The FBI vs. the Ku Klux Klan (1975). They have not worked together since Attack on Terror: The FBI vs. the Ku Klux Klan (1975).