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.356, BoD - Books on Demand
F. Scott Fitzgerald (2013). “The Great Gatsby: The Authentic Edition from Fitzgerald’s Original Publisher: The authentic edition from Fitzgerald’s original publisher”, p.5, Simon and Schuster
William Buckland (1820). “Vindiciæ Geologicæ: The Connexion of Geology with Religion, Explained in an Inaugural Lecture Delivered Before University of Oxford, May 15, 1819, on the Endowment of Readership in Geology”, p.6