Bob Dylan working in a room above the Cafe Espresso in Woodstock, N.Y., in 1964, left. On the right are items from his archive.Credit...Douglas R. Gilbert, left; via the Bob Dylan Archive, right. TULSA, Okla. — For years, Bob Dylan scholars have whispered about a tiny notebook, seen by only a few, in which the master labored over the lyrics to his classic 1975 album “Blood on the Tracks.” Rolling
