http://news.google.com/newspapers?id=zrNVAAAAIBAJ&sjid=GOEDAAAAIBAJ&pg=6581%2C2257303
http://www.baseball-reference.com/boxes/OAK/OAK196805080.shtml
http://www.biography.com/people/catfish-hunter-9542198
open.salon.com/blog/rogerf1953/2009/07/29/hunters_68_perfect_game_stands_above_8_million_others
http://www.rarenewspapers.com/view/581221
http://www.spokesman.com/stories/2011/may/08/jim-catfish-hunter-of-the-as-pitches-perfect-game/
http://xfinity.comcast.net/slideshow/sports-perfectgames/11/
http://baseballhall.org/hof/hunter-catfish