Evidently Faulkner had access to one of these, belonging to an ancestor of one of his neighboring friends in Mississippi. He spent a great deal of fascinated time with it, making notes, as well as ranting at the owner of the diary for his views on slavery and African Americans..
"The diary and a number of family stories seem to have provided the philosophical and thematic power for
Names of slaves owned by Leak — Caruthers, Moses, Isaac, Sam, Toney, Mollie, Edmund and Worsham — all appear in some form in “Go Down, Moses.” Other recorded names, like Candis (Candace in the book) and Ben, show up in “The Sound and The Fury” (1929) while Old Rose, Henry, Ellen and Milly are characters in “Absalom, Absalom!” (1936). Charles Bonner, a well-known Civil War physician mentioned in the diary, would also seem to be the namesake of Charles Bon in “Absalom.”"