Question: The Anglo-Irish novelist's 15th novel, The Black Prince, first published in 1973, alludes mainly to what?
Sentence (from "Iris Murdoch"): Dame Jean Iris Murdoch ( ; 15 July 1919 – 8 February 1999) was an Anglo-Irish novelist and philosopher, best known for her novels about good and evil, sexual relationships, morality, and the power of the unconscious.
Relevant evidence: Yes