Thomas Paine (2015). “The Thomas Paine Collection: Common Sense, Rights of Man, Age of Reason, An Essay on Dream, Biblical Blasphemy, Examination Of The Prophecies”, p.222, Ravenio Books
Mark Twain (2014). “Mark Twain on Common Sense: Timeless Advice and Words of Wisdom from America's Most-Revered Humorist”, p.27, Skyhorse Publishing, Inc.