Francis Thackeray, William Pitt (1827). “A history of the Right Honorable William Pitt, Earl of Chatham: containing his speeches in Parliament : a considerable portion of his correspondence, when Secretary of State, upon French, Spanish, and American affairs, never before published with an account of the principal events and persons of his time, connected with his life, sentiments and administrations ; (Mit dem Bildnisse Pitts)”, p.327
Joseph Lancaster (1807). “Improvements in Education, as it Respects the Industrious Classes of the Community: Containing Among Other Important Particulars, an Account of the Institution for the Education of One Thousand Poor Children, Borough Road, Southwark; and of the New System of Education on which it is Conducted”, p.148
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.188