Hinckley, David. "Renzo Gracie shares family martial arts tradition", Daily News (New York), February 27, 2008. Accessed March 15, 2011. "Gracie, 40, of Holmden [sic], N.J., is a world-class mixed martial arts competitor who has spent his life preaching and practicing Brazilian (aka Gracie) jujitsu: a judo-based martial art that his grandfather devised."
