3Johannes Wilde, "Michelangelo' s Designs for the Medici Tombs", Journal of the Warburg and Courtauld Institutes, Vol. 18 (1955), pp. 54-66.
4Charles de Tolnay, "Nouvelles Remarques sur la Chapelle MOdics" ,Gazette des beaux-arts. LXXIII (1969), pp. 65-80; Alexander Nagel, Medieval Modern: Art Out o/'Time, New York: Thames & Hudson, 2012, pp.86-87,.
5L.D. Ettlinger,"The Liturgical Function of Michelangelo' s Medici Chapel". Mitteilungen des Kun,thistorischen lnstitute, in Florenz, Vol, 22(1978), p.287.
6Giorgio Vasari. Lives of the Painters, Sculptors and Architects, translated by Gaston du C. de Vere, 2 vols, New York: Everyman' s Library, 1996.1I: p.642.
7Michelangelo, Life, Letters. and Poetry. translated by George Bull, Oxford: Oxford University Press, 1987 p.78.
8James S. Ackerman, The Architecture o['Michelangelo, Chicago: Chicago University Press, p.37.
9James S. Ackerman, The Architecture o['Michelangelo, Chicago: Chicago University Press, p.47.
10William E, Wallace, Michelangelo at San Lorenzo; The Genius as Entrepreneur, Cambridge and New York, 1994, pp.8 92.