Johnny Grier, first black NFL referee, passes - HBCU Gameday
Marlin Briscoe, the 1st Black starting quarterback in the AFL, dies at 76 : NPR
Referee And Rocket Scientist? Adrian Hill Talks About The Pressure On And Off The Field - CBS Baltimore
All-Black Referee Crew To Work For First Time For
All-Black Referee Crew To Work For First Time For
Who Are the NFL's Best, Worst Refs?, News, Scores, Highlights, Stats, and Rumors
Who is Sarah Thomas? The First Female Referee at the Super Bowl - The New York Times
Johnny Grier, NFL's first Black referee, passes away at 74
All-Black NFL referee crew will work Rams-Buccaneers game - The Washington Post
NFL's first all-Black officiating crew live on Monday Night Football
NFL to field all-Black officiating crew for first time - The Boston Globe
Black referee to lead Super Bowl, Richmond Free Press