Sites:
"Leonardo da Vinci." Museum of Science, Boston | Home. N.p., n.d. Web. 13 May 2013. <http://legacy.mos.org/leonardo/>.
"Leonardo Da Vinci Timeline." Leonardo Da Vinci's Life. N.p., n.d. Web. 13 May 2013. <http://www.davincilife.com/timeline.html>.
"Leonardo da Vinci." UCMP - University of California Museum of Paleontology. N.p., n.d. Web. 13 May 2013. <http://www.ucmp.berkeley.edu/history/vinci.html>.
"Leonardo da Vinci | Renaissance Man."Museum of Science, Boston | Home. N.p., n.d. Web. 17 May 2013. <http://legacy.mos.org/leonardo/bio.html>.
century, 1477 Columbus was settled in Lisbon. Since the beginning of Portuguese voyages of exploration in the middle of the 14th, Lisbon had become a haven for explorers, adventurers, entrepreneurs, merchants, ocean currents. Columbuss brother Bartholomew worked in Lisbon as a mapmaker, for a time the brothers worked together as draftsmen, and book collectors. Later that year. "Christopher Columbus Biography." Columbus Day . N.p., n.d. Web. 17 May 2013. <http://columbus-day.123holiday.net/christopher_columbus.html>.
Books:
Wallace, Robert. The world of Leonardo, 1452-1519. Rev. ed. New York: Time-Life Books, 1967. Print.
"Leonardo da Vinci." Museum of Science, Boston | Home. N.p., n.d. Web. 13 May 2013. <http://legacy.mos.org/leonardo/>.
"Leonardo Da Vinci Timeline." Leonardo Da Vinci's Life. N.p., n.d. Web. 13 May 2013. <http://www.davincilife.com/timeline.html>.
"Leonardo da Vinci." UCMP - University of California Museum of Paleontology. N.p., n.d. Web. 13 May 2013. <http://www.ucmp.berkeley.edu/history/vinci.html>.
"Leonardo da Vinci | Renaissance Man."Museum of Science, Boston | Home. N.p., n.d. Web. 17 May 2013. <http://legacy.mos.org/leonardo/bio.html>.
century, 1477 Columbus was settled in Lisbon. Since the beginning of Portuguese voyages of exploration in the middle of the 14th, Lisbon had become a haven for explorers, adventurers, entrepreneurs, merchants, ocean currents. Columbuss brother Bartholomew worked in Lisbon as a mapmaker, for a time the brothers worked together as draftsmen, and book collectors. Later that year. "Christopher Columbus Biography." Columbus Day . N.p., n.d. Web. 17 May 2013. <http://columbus-day.123holiday.net/christopher_columbus.html>.
Books:
Wallace, Robert. The world of Leonardo, 1452-1519. Rev. ed. New York: Time-Life Books, 1967. Print.