Edward Gibbon (2016). “THE HISTORY OF THE DECLINE AND FALL OF THE ROMAN EMPIRE (All 6 Volumes): From the Height of the Roman Empire, the Age of Trajan and the Antonines - to the Fall of Byzantium; Including a Review of the Crusades, and the State of Rome during the Middle Ages”, p.1036, e-artnow
John Marshall, Herbert Alan Johnson, Charles T. Cullen, Institute of Early American History and Culture (Williamsburg, Va.) (1974). “The Papers of John Marshall: Correspondence and papers, January 1796-December 1798”, Chapel Hill, N.C : University of North Carolina Press
"eBay Founder Pierre Omidyar On Why He’s Dropped $1 Billion To Make The World A Better Place" by Eleanor Goldberg, www.huffingtonpost.com. October 20, 2011.