1. Alexander Marshack, The Roots of Civilization: The Cognitive Beginnings of Man’s First Art, Symbol and Notation (New York: McGraw-Hill, 1972), 335.
2. E. C. Krupp, ed., In Search of Ancient Astronomers (New York: Doubleday, 1979); Evan Hadingham, Early Man and the Cosmos (Norman: University of Oklahoma Press, 1985).
3. Francis Oakley, Natural Law, Laws of Nature, Natural Rights: Continuity and Discontinuity in the History of Ideas (New York: Continuum, 2005).
4. See for example David C. Lindberg, The Beginnings of Western Science: The European Scientific Tradition in Philosophical, Religious, and Institutional Context, 600 B.C. to A.D. 1450, 2nd ed. (Chicago: University of Chicago Press, 2007).
5. Christiane Joost-Gaugier, “Plato and Aristotle and Their Retinue: Meaning in Raphael’s School of Athens,” Gazette des Beaux-Arts 137, no. 1593 (2001), 149–64.