United States. President (1893-1897 : Cleveland), Grover Cleveland (1895*). “Special message, August 8th, 1893. Extract from third annual message, December 2nd, 1895”
Louis O. Kelso, Patricia Hetter Kelso (1967). “Two-factor Theory: the Economics of Reality; how to Turn Eighty Million Workers Into Capitalists on Borrowed Money, and Other Proposals”, New York : Vintage Books
"Shields and Brooks on the pope's critique of capitalism, Thanksgiving gratitude". "PBS NewsHour" with Hari Sreenivasan, www.pbs.org. November 28, 2013.
Bernie Sanders during Democratic Presidential Candidates Debate at the University of New Hampshire in Durham, New Hampshire, www.nytimes.com. February 5, 2016.
Bernie Sanders during Democratic Presidential Candidates Debate at the University of New Hampshire in Durham, New Hampshire, www.nytimes.com. February 5, 2016.