"North Korea Warns Foreigners In South Korea To Protect Themselves; 73-Year-Old Auschwitz Survivor Uses Social Media To Search For Twin Brother; 6.3 Magnitude Earthquake Strikes Southeastern Iran; Uhuru Kenyatta Sworn In As Kenya's President; A Look At Margaret Thatcher's Legacy". "News Stream" with Kristie Lu Stout, www.cnn.com. April 9, 2013.
Letter to his brother Robertson of the Financial Reform Association at Liverpool in 1859. "Gladstone as Financier and Economist" by F. W. Hirst, p. 241, 1931.
John Quincy Adams, Kenneth V. Jones, United States. President (1825-1829 : Adams) (1970). “John Quincy Adams, 1767-1848; chronology, documents, bibliographical aids”, Oceana Pubns
John Maynard Keynes (1929). “The Economic Consequences of the Peace: The classic text on the Treaty of Versailles and post war Europe”, p.141, Harriman House Limited
Alexander Pope (1819). “The Poetical Works of Alexander Pope: In Three Volumes Complete : with His Last Corrections, Additions, and Improvements, Together with All His Notes, as They Were Delivered to the Editor a Little Before His Death : Together with the Commentary and Notes of Mr. Warburton”, p.244