Oxford University Is Older Then the Aztecs. Digital image. N.p., n.d. Web. <http://www.smithsonianmag.com/smart-news/oxford-university-is-older-than-the-aztecs-1529607/?no-ist>.
World Political Map. Digital image. N.p., n.d. Web. <http://world-political-map.com/>.
History, Humanities, Law, Political Science Department. Digital image. N.p., n.d. Web. <https://www.lavc.edu/hhlps/>.
World War II Podcast. Digital image. N.p., n.d. Web. <http://worldwariipodcast.net/2013/04/bonus-episode-5-strange-wwii-facts/>.
World Hunger. Digital image. N.p., n.d. Web. <http://www.borgenmagazine.com/7-solutions-world-hunger/>.
The rest of the images are labeled as Public Domain.