Walter Lippmann, Clinton Rossiter, James Lare (1982). “The Essential Lippmann: A Political Philosophy for Liberal Democracy”, p.233, Harvard University Press
Edmund Burke (1798). “The Beauties of the Late Right Hon. Edmund Burke: Selected from the Writings, &c. of that Extraordinary Man, Alphabetically Arranged ... to which is Prefixed, a Sketch of the Life, with Some Original Anecdotes of Mr. Burke”, p.383
William Makepeace Thackeray, John Henry Newman, Matthew Arnold, John Ruskin, Walter Bagehot (1910). “Essays, English and American: With Introductions and Notes”
Philip Dormer Stanhope (4th earl of Chesterfield.), Charles Caleb Colton (1861). “Lord Chesterfield's advice to his son on men and manners. To which are added, selections from Colton's 'Lacon'.”, p.230