jan 17, 2500 - Citations
Katz, M. (1982). History of Boxing. Boxing History. Retrieved October 11, 2018, from http://whitecollarboxing.com/boxinfo.htm
History of boxing. (n.d.). Retrieved October 11, 2018, from http://fightclubamerica.com/about/history-of-boxing/
The History And Origins Of Boxing. (n.d.). Retrieved October 11, 2018, from https://evolve-mma.com/blog/the-history-and-origins-of-boxing/