Referee (association football) - Wikipedia
Johnny Grier, N.F.L.'s First Black Referee, Dies at 74 - The New York Times
Law 5 - The Referee
Ballhandling Makes Your Crew Look Sharp - Referee.com
/cdn.vox-cdn.com/uploads/chorus_asset/file/24445693/1405141229.jpg "XFL official Amanda Sauer is the first out pro football referee - Outsports")
XFL official Amanda Sauer is the first out pro football referee - Outsports
College football referee salary: How much money do refs, and other officials make in 2023?
Lo van Pham honored to be first Asian American NFL official – The Denver Post
Official (gridiron football) - Wikipedia
How Much Are NFL Referees Paid? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Ronald Torbert - Wikipedia
NFL Referee Assignments Week 11: Refs Assigned for Each NFL Game This Week
Meet Sarah Thomas - first female NFL official referee - ESPN
College Football Referee Mike Defee's Buff Arms Steal the Show
At the Top of His Game - Harvard Law School | Harvard Law School
Fans couldn't believe the size of college football referee Christian Watson during Thursday night's game | The US Sun
FIFA World Cup 2022: Stephanie Frappart, Women referees - top facts
Officials' Responsibilities & Positions | NFL Football Operations
/cdn.vox-cdn.com/uploads/chorus_image/image/59159439/Screen_Shot_2018_03_21_at_11.40.32_AM.0.png "Meet Beef Ref: Jacked football referee shares his workout plan - SBNation.com")
Meet Beef Ref: Jacked football referee shares his workout plan - SBNation.com
How Much Do World Cup Referees Run During Matches?
/cdn.vox-cdn.com/uploads/chorus_asset/file/24073302/1242337657.jpg "Another step in the right direction for women in Italian football - Viola Nation")
Another step in the right direction for women in Italian football - Viola Nation
How far will footballers run in the World Cup?
Elite football referees predict where a foul will happen, research shows | Psychology | The Guardian
NFL Officials: Preparing for Success | NFL Football Operations
12-year veteran Ron Torbert to referee first Super Bowl | AP News
