Homer (2013). “The Iliad: An Epic Poem About the Trojan War, the Ten-Year Siege of the City of Troy (Ilium) by a Coalition of Greek States - Battles and Events During the Weeks of a Quarrel Between King Agamemnon and the Warrior Achilles (Beloved Books Edition)”, p.353, Lulu Press, Inc
"Johannes Gutenberg printed playing cards the same year as his famous Bible (1440). The cards from Gutenberg's press were Tarot cards, from which the modern deck is derived. The Theory of Gambling and Statistical Logic". Book by Richard Arnold Epstein, 1977.