The History of Instant Replay in the NFL – Benefit or Detriment??
Instant Replay: The Green Bay Diary of Jerry Kramer by Jerry Kramer
NBA Instant Replay Continues To Hurt, Not Help, The Game
Georgia to consider instant replay for high school football games
The History of Instant Replay in the NFL – Benefit or Detriment??
The Invention of Instant Replay Lemelson Center for the Study of Invention and Innovation
NFL replay reviews, challenges drop with new rules and tech - ESPN
NFL rules: League expands replay to failed fourth-down conversions
Upon Further Review: A Brief History of Instant Replay
As baseball adopts instant replay, its use divides those with traditional, progressive views of the sport – The Daily Texan
Once upon a further review: Walt Coleman has been doubly successful in the dairy business and as an NFL referee
He Invented Instant Replay, The TV Trick We Now Take For Granted : The Two-Way : NPR