Alexander Pope (1824). “The Works of Alexander Pope: With Notes and Illustrations by Himself and Others. To which are Added, a New Life of the Author, an Estimate of His Poetical Character and Writings, and Occasional Remarks”, p.254
Edmund Burke, James BURKE (Barrister-at-Law.) (1854). “The Speeches of the Right Hon. Edmund Burke, with Memoir and Historical Introductions. By James Burke”, p.75
Ben Bernanke's Semiannual Monetary Policy Report to the Congress Before the Committee on Financial Services, U.S. House of Representatives, www.federalreserve.gov. February 15, 2006.