In-joke?
When Ben is recovering, on the bookshelf behind his bed is a copy of "The Proud Land" by James Lee Bartlow. This, as far as I know, is a fictional book written by a fictional character: James Lee Bartlow was played by Dick Powell in "The Bad & The Beautiful" wherein his book was being filmed.
Is there some significance to this book being prominently displayed in "The World, The Flesh & The Devil"?
"Black and white cat . . . black and white cake." - Charles Chazen.