Ask Farmer: Explaining the purpose of the referee's black wristbands - Los Angeles Times
Official (gridiron football) - Wikipedia
History made as all-female crew officiates prep football game
Jaguars will face a familiar and unfriendly officiating crew vs. the Chiefs in Week 2
We need to have another talk about NFL officiating - Daily Norseman
It's been a blessing': D.M.V. official in all-Black NFL crew addresses the historic night
NFL's first all-Black officiating crew will work Rams-Buccaneers game on Monday Night Football
Lo van Pham honored to be first Asian American NFL official – The Denver Post
Women's History Month: NFL's first Black woman referee
NFL's first all-Black officiating crew will work Rams-Buccaneers game on Monday Night Football
NFL makes history with all-Black officiating crew - Los Angeles Times