Black referee to lead Super Bowl, Richmond Free Press
Johnny Grier, NFL's first Black referee, dies at 74 – Football Zebras
Rams vs. Bucs Monday Night Football to have first NFL Black ref crew
Nfl referee hi-res stock photography and images - Alamy
NFL to use all-Black officiating crew for first time ever
NFL's first all-Black officiating crew a strong statement in 2020
All-Black officiating crew works Pac-12 football game for second straight season
Referee Sarah Thomas Will Make Super Bowl History - But She's Part of a Trend : NPR
Who is Land Clark and what is going on with his officiating crew in Bills-Jaguars?