George Jacob Holyoake (1850). “The History of the Last Trial by Jury for Atheism in England: A Fragment of Autobiography, Submitted for the Perusal of Her Majesty's Attorney General and the British Clergy”, p.37
Mark Twain (2017). “The Complete Works of Mark Twain (Illustrated Edition): Novels, Short Stories, Memoir, Travel Books, Letters, Biography, Articles & Speeches: The Adventures of Tom Sawyer & Huckleberry Finn, Life on the Mississippi, Yankee in King Arthur's Court…”, p.2818, e-artnow
Ronald Reagan's Remarks at the National Conference of the Building and Construction Trades Department, AFL-CIO, www.reaganfoundation.org. March 30, 1981.
Mark Twain (2014). “Mark Twain on Common Sense: Timeless Advice and Words of Wisdom from America's Most-Revered Humorist”, p.17, Skyhorse Publishing, Inc.