Book
Beck, Roger B., et. al. World History Patterns of Interaction. Illinois: Evanston, 2009. Print. 12 Feb. 2015.
http://geography.about.com/od/historyofgeography/a/ageexploration.htm
Briney, Amanda. "A History of the Age of Exploration." About Education, N.D. Web. 10 Feb. 2015.
http://www.nebraskacorn.org/issues-initiatives/your-food/field-corn-vs-food-corn/
"Field Corn vs. Food Corn". Field Corn vs. Food Corn. Nebraska Corn Board, 2015. Web. 16 Feb. 2015.
http://www.learnnc.org/lp/pages/1866
Mcniell, J.R. The Columbian Exchange. UNC School of Education. N.D. Web. 16 Feb. 2015.
http://www.indepthinfo.com/history/age-of-exploration.htm
Rayment, W.J. The Age of Exploration. In Depth Info,1999-2015. Web. 10 Feb. 2015.
sslave.blogspot.com/2013/10/the-columbian-exchange.html
Ron. The Columbian Exchange. Blogger, 10 Oct. 2013. Web. 16 Feb. 2015.
http://ageofex.marinersmuseum.org/?&id=47
"The Great Exchange". The Great Exchange: Plants. The Mariners' Museum, N.D. Web. 16 Feb. 2015.
http://abolition.e2bn.org/slavery_43.html
"The Triangular Trade" .The Triangular Trade: The Abolition of Slavery Project. E2BN - East of England Broadband Network, 2009. Web. 16 Feb. 2015.
http://www.wisegeek.com/what-is-a-russet-potato.htm
"What is a Russet Potato". What is a Russet Potato. Wise Geek, 2003-2015. Web. 16 Feb. 2015.
http://www.chinavoc.com/history/ming/zh.htm
"Zheng He and His Voyages."Chinese History - The Ming Dynasty ( AD 1368-1644 ) Zheng He and His Voyages. Chinavoc, 2007. Web. 10 Feb. 2015.
Beck, Roger B., et. al. World History Patterns of Interaction. Illinois: Evanston, 2009. Print. 12 Feb. 2015.
http://geography.about.com/od/historyofgeography/a/ageexploration.htm
Briney, Amanda. "A History of the Age of Exploration." About Education, N.D. Web. 10 Feb. 2015.
http://www.nebraskacorn.org/issues-initiatives/your-food/field-corn-vs-food-corn/
"Field Corn vs. Food Corn". Field Corn vs. Food Corn. Nebraska Corn Board, 2015. Web. 16 Feb. 2015.
http://www.learnnc.org/lp/pages/1866
Mcniell, J.R. The Columbian Exchange. UNC School of Education. N.D. Web. 16 Feb. 2015.
http://www.indepthinfo.com/history/age-of-exploration.htm
Rayment, W.J. The Age of Exploration. In Depth Info,1999-2015. Web. 10 Feb. 2015.
sslave.blogspot.com/2013/10/the-columbian-exchange.html
Ron. The Columbian Exchange. Blogger, 10 Oct. 2013. Web. 16 Feb. 2015.
http://ageofex.marinersmuseum.org/?&id=47
"The Great Exchange". The Great Exchange: Plants. The Mariners' Museum, N.D. Web. 16 Feb. 2015.
http://abolition.e2bn.org/slavery_43.html
"The Triangular Trade" .The Triangular Trade: The Abolition of Slavery Project. E2BN - East of England Broadband Network, 2009. Web. 16 Feb. 2015.
http://www.wisegeek.com/what-is-a-russet-potato.htm
"What is a Russet Potato". What is a Russet Potato. Wise Geek, 2003-2015. Web. 16 Feb. 2015.
http://www.chinavoc.com/history/ming/zh.htm
"Zheng He and His Voyages."Chinese History - The Ming Dynasty ( AD 1368-1644 ) Zheng He and His Voyages. Chinavoc, 2007. Web. 10 Feb. 2015.