History of Instant Replay
Rule change expanding role for replay official is expected to pass - NBC Sports
Dec. 7, 1963: Video Instant Replay Comes to TV
The Immaculate Reception was not the first instant replay review – Football Zebras
Upon Further Review: A Brief History of Instant Replay
On Further Review, the NFL's Instant Replay is Finally Instant
NFL season begins with questions on pass interference replay - Los Angeles Times
He Invented Instant Replay, The TV Trick We Now Take For Granted : The Two-Way : NPR
A look at TV's instant replay through the years – The Denver Post
Instant Replay: 9780451146304: Jerry Kramer, Dick Schaap: Books
History of Instant Replay
College football video replay review frustrating, inconsistent
Replay in sports: Ranking the systems from best to worst
The History of Instant Replay in the NFL, News, Scores, Highlights, Stats, and Rumors
The NFL has an instant replay camera problem