"Babe Ruth." . New York Times , 12 Jan 1925. Web. 19 Dec 2013. <http://topics.nytimes.com/top/reference/timestopics/people/r/george_herman_ruth/>.
http://www.chicagotribune.com/news/nationworld/chi-120702-capone-glass-pictures,0,5611171.photogallery
Vintage Browser. N.p.. Web. 19 Dec 2013. <http://www.vintageadbrowser.com/coke-ads-1920s>.