Sarah Thomas is set to officiate the Super Bowl. How long until a woman becomes an MLB umpire?
Slowly but Surely, the Times Are Changing for Women in the NFL - Canal Street Chronicles
NFL's first female referee shares inspiration with Yakima audience, Sports
How much does an NFL referee make?
Sarah Thomas first woman to ref at Super Bowl
NFL analyst addresses referees' missed calls on Kansas City Chiefs season opener fiasco
Pascagoula's Sarah Thomas will return as NFL referee in 2016-17
Referee Sarah Thomas Will Make Super Bowl History - But She's Part of a Trend : NPR
Mid-American Conference's first female official dreams of referee assignment, spot in NFL
The First Female NFL Referee - How Sarah Thomas Became a Football Ref
Rebecca Welch becomes first female referee to be appointed to EFL game ahead of Harrogate Town vs Port Vale, Football News
Officiating crews for the 2022 season – Football Zebras