Joseph Butler (1798). “The Analogy of Religion: Natural and Revealed, to the Constitution and Course of Nature. To which are Added, Two Brief Dissertations: I. On Personal Identity. II. On the Nature of Virtue. Together with a Charge Delivered to the Clergy of the Diocese of Durham, ... in the Year MDCCLI. By Joseph Butler, ... A New Edition, Corrected. With a Preface, ... by Samuel Halifax, ...”, p.228
Robert Burns (1838). “The Works of Robert Burns: With an Account of His Life, and Criticism on His Writings. To which are Prefixed, Some Observations on the Character and Condition of the Scottish Peasantry”, p.40