Benjamin Disraeli, Edmund Gosse, Robert Arnot (1904). “The Works of Benjamin Disraeli, Earl of Beaconsfield, Embracing Novels, Romances, Plays, Poems, Biography, Short Stories and Great Speeches: Coningsby, v. 2. Selected speeches”
Alan Greenspan's speech at the Annual Dinner and Francis Boyer Lecture of The American Enterprise Institute for Public Policy Research in Washington, D.C., www.federalreserve.gov. December 5, 1996.