William Pitt (Earl of Chatham), Edmund Burke, Thomas Erskine Baron Erskine, Jean Gabriel Peltier (1834). “Celebrated Speeches of Chatham, Burke, and Erskine: To which is Added the Arguement of Mr. Mackintosh in the Case of Peltier”, p.87
Edmund Burke, John Shebbeare (1776). “An Answer to the Printed Speech of Edmund Burke, Esq; spoken in the House of Commons, April 19, 1774, etc. By John Shebbeare”, p.191
Edmund Burke (1834). “The Works of the Right Hon. Edmund Burke: With a Biographical and Critical Introduction, and Portrait After Sir Joshua Reynolds”, p.32