Law 5 - The Referee
Ed Hochuli, N.F.L. Referee, Has Long Had Fan Support - The New York Times
How Much Are NFL Referees Paid? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Ump Attire - The NFL is back! Let's wish our officials... | Facebook
What Do Football Referee Letters Stand For?
Empty stadium impact on referee decisions, home field advantage - Sports Illustrated
All the Gear Super Bowl 50 Refs Will Use to Call the Game | WIRED
NFL Relaxes Restrictions on Jersey Numbers - The New York Times
What do the letters stand for on the back of football referees' shirts? - Quora
Officials' Responsibilities & Positions | NFL Football Operations
NFL Officials: Preparing for Success | NFL Football Operations
Why do college football referees have an 'S' on their uniform? - Quora
NRL referees should take step back in finals
Football League referees will clamp down on time-wasting and punish dissent next season | Daily Mail Online
Ask Sam Farmer: Are there throwback uniforms for NFL officials? - Los Angeles Times
What are the black string-like things football referees wear on their hands for? - Quora
Column: NFL officials make far too many mistakes, and it's worse in the playoffs - The San Diego Union-Tribune
Misogyny greets World Cup's first female refs – DW – 06/29/2022
Ask Farmer: Why do NFL referees have numbers? - Los Angeles Times
Officials' Responsibilities & Positions | NFL Football Operations
Why Football Referees Have Letters & Numbers – vIQtory Sports
Why do college football referees have an 'S' on their uniform? - Quora
Who Are the NFL's Best, Worst Refs? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
NFL100: Before they were zebras, they were … candy canes? | Football Zebras
New NFL font
