Alexander Pope (1820). “An Essay on Man: In Four Epistles to H. St. John Lord Bolinbroke. To which are Added the Universal Prayer, Messiah, and Elegy”, p.7
Alexander Pope, William Roscoe (1824). “The Works of Alexander Pope: Esq. with Notes and Illustrations by Himself and Others. To which are Added, a New Life of the Author, an Estimate of His Poetical Character and Writings, and Occasional Remarks”, p.311