Charlotte Bronte, Emily Bronte, Anne Bronte (2009). “The Bronte Sisters: Three Novels: Jane Eyre; Wuthering Heights; and Agnes Grey (Penguin Classics Deluxe Edition)”, p.456, Penguin
Edgar Allan Poe (2013). “The Tell-Tale Heart: And Other Stories - Purloined Letter, Descent into the Maelström, Von Kempelen and His Discovery, Mesmeric Revelation, Facts in the Case of M. Valdemar, Black Cat, Fall of the House of Usher, Masque of the Red Death and Many More”, p.255, Lulu Press, Inc