How Much Do NFL Refs Make Per Game and Season? | TSR
File:Referee announces call at UCLA at Cal 10-25-08.JPG - Wikimedia Commons
Nfl referee goal hi-res stock photography and images - Alamy
AFL On-Field Officials
Official (gridiron football) - Wikipedia
Straight from player to official
NFL | John Parry: interview with the veteran NFL referee John Parry: interview with the veteran NFL referee - AS USA
Why Referees' Shirts Are Black-and-White Striped | Mental Floss
Hanover resident Ron Torbert to referee Super Bowl 56 in 'highlight' of 33-year officiating career – Baltimore Sun
The Real Reason NFL Referees Wear Black and White
Former NFL ref says: Pay no heed to Marshall's outburst
Doug Williams 'Elated' for Maia Chaka's Opportunity as First-Black Female NFL - HBCU Legends
Sarah Thomas: Kicked out of basketball, she made it to the Super Bowl | CNN
Here's a guide to targeting in college football and the NFL - NBC Sports Chicago
Ask Sam Farmer: Are there throwback uniforms for NFL officials? - Los Angeles Times
Football Zebras selects its 2021 slate of officials worthy of enshrinement in Hall of Fame – Football Zebras
Super Bowl ref Carl Cheffers on defensive holding call: It was a clear jersey grab - ProFootballTalk
NFL100: Before they were zebras, they were … candy canes? – Football Zebras
Crampton Hanging Up Official's Whistle After 46 Years of Giving Back
The Gridiron Uniform Database
