Lawrence Cunningham & John Reich, Culture and values: a survey of the Western humanities, 4th ed. (Fort Worth: Harcourt Brace College Publishers, 1998); H.W. Janson and Anthony F. Janson, A Basic History of Western Art, 7th ed. (Upper Saddle River, NJ: Pearson Education, Inc., 2006), 352. Anthony Blunt, Art and Architecture in France, 1500-1700, 5th ed. (New Haven and London: Yale University Press, 1999), 77; Benvenuto Cellini, The Life of Benvenuto Cellini, transl. John Addington Symonds (New York: Heritage Press, 1558), 197-198.