March 11, 1986: NFL Adopts Instant Replay
Microsoft and the NFL: Exemplifying digital transformation in sports
Dec. 7, 1963: Video Instant Replay Comes to TV
NFL will consider further instant replay changes, but 'sky judge' remains unlikely : r/nfl
History of Instant Replay
Upon further review, NFL referees under increased scrutiny
NFL owners approve expanded use of instant replay to review pass interference calls – Reading Eagle
NFL replay reviews, challenges drop with new rules and tech - ESPN
Report: League installing real-time fiber optics for replay review - NBC Sports
The CFL has figured instant replay out. How long until the NFL and CFB follow suit? - Footballscoop
On Further Review, the NFL's Instant Replay is Finally Instant
Upon further review, replay finally has arrived – The Durango Herald
The NFL has an instant replay camera problem
A look at TV's instant replay through the years – The Denver Post
Canzano: How the Pac-12 went awry with football officiating