http://www.sikids.com/photos/23415/perfect-games-in-the-modern-era/9
http://hardballtalk.nbcsports.com/2012/09/18/throw-one-perfect-game-and-you-own-cincinnati-forever/
http://xfinity.comcast.net/slideshow/sports-perfectgames/8/
http://www.retrosheet.org/boxesetc/1988/B09160CIN1988.htm
http://cincinnati.com/blogs/tv/2013/07/05/tom-brownings-perfect-stunt-20-years-ago/
http://www.redreporter.com/2013/4/1/4159094/why-tom-browning-is-still-a-household-name-in-cincinnati
http://www.baseball-reference.com/boxes/CIN/CIN198809160.shtml
http://podbay.fm/show/352072393/e/1265050500
http://mlb.mlb.com/cin/hof/hof/directory.jsp?hof_id=111611
http://www.baseball-almanac.com/boxscore/09161988.shtml
http://www.hardballtimes.com/main/blog_article/25th-anniversary-tom-brownings-perfect-game/