Depends totally upon who is overseeing the transfer. Dye transfer reference is always important, presuming one can access a properly produced and approved print. Most prints are neither. They're simply prints.
Don Siegel, who directed Two Mules for Sister Sara, seems to have been a major force in orienting Clint Eastwood on a path toward directing.
Mr. Siegel began his career working on montage sequences in 1939, and is credited for his work on many of the major Warner films of the era - The Roaring...