Tolong jelaskan mengenai Bacaan tambahan dari John L. Sullivan

Isenberg, Michael T. John L. Sullivan and His America (University of Illinois Press, 1994.)

Pollack, Adam J. John L. Sullivan: The Career of the First Gloved Heavyweight Champion (McFarland, 2015)

Reel, Guy. "Richard Fox, John L. Sullivan, and the rise of modern American prize fighting." Journalism History 27.2 (2001): 73+

Sullivan, John L. Article in The Washington Post, 30 July 1905. "'Your hands are too big; you'll never make a boxer,' was one of the bits of discouragement passed to me when I was beginning to attract notice as a puncher. That was the popular notion at that time, because Sayers, Heenan, Yankee Sullivan, and some other good men who had made their tally and passed up had small hands."