He Invented Instant Replay, The TV Trick We Now Take For Granted : The Two-Way : NPR
The NFL has an instant replay camera problem
When Damar Hamlin collapsed, the NFL deployed its emergency action plan - The Washington Post
History of Instant Replay
History of Instant Replay
NFL's instant replay officials have new powers, but owners weren't interested in other major rules changes - The Boston Globe
Replay review in gridiron football - Wikipedia
Instant replay on table for NFL owners - The Boston Globe
The NFL has an instant replay camera problem