In an 1895 Journal article, Cather writes: "It is a grave question as to just how far the historical plays of Shakespeare are fitted for the modern stage. They were not the product of his highest thought or most spontaneous inspiration." Plays mentioned in this essay: Henry IV, Henry V, Henry VI, Henry VIII, Richard III.
In My Mortal Enemy, Nelly Birdseye had seen Helena Modjeska play Katherine, Henry's first wife.