Cited: "Early Renaissance" Microsoft Bookshelf '95. CD-ROM. Microsoft Corp. 1995. Hale, John R. Renaissance. New York: Time Inc., 1965. "Leonardo da Vinci." Da Vinci Museum on the Web. Online. Internet. February 28, 2000. Available: http://www.davinci-museum.com/davinengl1.htm "Leonardo da Vinci." Microsoft Encarta '99. CD-ROM. Microsoft Corp. 1998. "Piero della Francesca" Microsoft Bookshelf '95. CD-ROM. Microsoft Corp. 1995. "The Renaissance." Who and When? The Renaissance: Artists and Writers. 1998. "The Renaissance in Italy." World History: Connections to Today. 1999. Richter, Irma A. The Notebooks of Leonardo da Vinci. Oxford: Oxford University Press, 1952. Snyder, James. Northern Renaissance Art: Painting, Sculpture, the Graphic Arts from 1350 to 1575. Phoenix: Prentice-Hall, 1985. Turner, A. Richard. Inventing Leonardo. New York: Alfred A. Knopf, 1993.
Cited: "Early Renaissance" Microsoft Bookshelf '95. CD-ROM. Microsoft Corp. 1995. Hale, John R. Renaissance. New York: Time Inc., 1965. "Leonardo da Vinci." Da Vinci Museum on the Web. Online. Internet. February 28, 2000. Available: http://www.davinci-museum.com/davinengl1.htm "Leonardo da Vinci." Microsoft Encarta '99. CD-ROM. Microsoft Corp. 1998. "Piero della Francesca" Microsoft Bookshelf '95. CD-ROM. Microsoft Corp. 1995. "The Renaissance." Who and When? The Renaissance: Artists and Writers. 1998. "The Renaissance in Italy." World History: Connections to Today. 1999. Richter, Irma A. The Notebooks of Leonardo da Vinci. Oxford: Oxford University Press, 1952. Snyder, James. Northern Renaissance Art: Painting, Sculpture, the Graphic Arts from 1350 to 1575. Phoenix: Prentice-Hall, 1985. Turner, A. Richard. Inventing Leonardo. New York: Alfred A. Knopf, 1993.