History of Instant Replay, Upon further review…Learn about the history of instant replay in the NFL from its first use in 1985 to today. By NFL Football Operations
Instant Replay: The Green Bay Diary of Jerry Kramer: Kramer, Jerry, Schaap, Dick, Yardley, Jonathan: 9780307743381: : Books
NFL Instant Replay Process
College football video replay review frustrating, inconsistent
History of Instant Replay
NFL refs roster includes 1st female instant replay official
Instant Replay: 9780451146304: Jerry Kramer, Dick Schaap: Books
Tackling Tech: An Inside Look at NFL Instant Replay for 2017
With MLB instant replay rule, announcers and umpires on the spot – New York Daily News
He Invented Instant Replay, The TV Trick We Now Take For Granted : The Two-Way : NPR
Replay review in gridiron football - Wikipedia
Should Professional Sports use Replay?, by Matthew Schoenemann