Richard P. Feynman (2010). “"Surely You're Joking, Mr. Feynman!": Adventures of a Curious Character: Adventures of a Curious Character”, p.346, W. W. Norton & Company
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