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 Warburton (1788). “The Works of Alexander Pope, Esq: In Six Volumes Complete. With His Last Corrections, Additions, and Improvements; Together with All His Notes, as They Were Delivered to the Editor a Little Before His Death: Printed Verbatim from the Octavo Edition of Mr. Warburton”, p.272
Alexander Pope, John Wilson Croker, Whitwell Elwin, William John Courthope (1871). “The Works of Alexander Pope: New Ed. Including Several Hundred Unpublished Letters, and Other New Materials, Collected in Part by John Wilson Croker. With Introd. and Notes by Whitwell Elwin”, p.313