Arthur Conan Doyle (2016). “Sherlock Holmes - The Novels: A Study in Scarlet, The Sign of the Four, The Hound of the Baskervilles, The Valley of Fear”, p.93, BoD - Books on Demand
Thomas Chatterton (1842). “Poetical Works: With Notices of His Life, History of the Rowley Controversy, a Selection of His Letters and Notes Critical and Explanatory”, p.141
Charlotte Perkins Gilman (2015). “Collected Works of Charlotte Perkins Gilman: Short Stories, Novels, Poems and Essays: The Yellow Wallpaper, What Diantha Did, Women and Economics, The Crux, Moving the Mountain, Herland and other works from the prominent American feminist, sociologist and novelist”, p.19, e-artnow