"The Intelligent Investor: The Classic Text on Value Investing". Book by Benjamin Graham, Chapter II, The Investor and Stock-Market Fluctuations, p. 25, 1949.
"George Clooney, Bill Murray, Cate Blanchett, Matt Damon, Bob Balaban, John Goodman and Producer Grant Heslov Talk the Monuments Men". Interview with Sheila Roberts, collider.com. February 3, 2014.
"Principles of political economy considered with a view to their practical application". Book by Thomas Robert Malthus, Book II, Chapter I, "On the Progress of Wealth", Section I, p. 309, 1836.