George Washington, Jared Sparks (1838). “The Writings of George Washington: Being His Correspondence, Addresses, Messages, and Other Papers, Official and Private”, p.9
John Updike's tstimony given before the Subcommittee on Select Education of the House of Representatives Committee on Education and Labor in Boston, Massachusetts, January 30, 1978.
Charles Dickens (1867). “Charles Dickens's works. Charles Dickens ed. [18 vols. of a 21 vol. set. Wanting A child's history of England; Christmas stories; The mystery of Edwin Drood].”, p.20
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.153