Tony Verna, inventor of instant replay, dies at 81 - NBC Sports
The History of Instant Replay in the NFL, News, Scores, Highlights, Stats, and Rumors
Flashback 1986: The NFL Adopts Instant Replay
Instant Replay • Hudl TV Support
Football meets tech: A brief history of technology on the gridiron - CNET
Instant Replay (studio album) by The Monkees : Best Ever Albums
The 5 O'Clock Club: How instant replay is killing the NFL - Hogs Haven
A look at TV's instant replay through the years – The Denver Post
Instant replay review FAQ
Inside Politics: Instant replay
Seattle Mariners make history, use instant replay to help win baseball game – GeekWire