World Cup referee Stephanie Frappart: 'You're there because you deserve it' - The Athletic
Earning her stripes: Shannon Eastin shows the boys who¿s boss by becoming the first woman to referee an NFL game in San Diego
Sarah Thomas is set to make history again. But did the league rush to get to the milestone? – Football Zebras
XFL official Amanda Sauer is the first out pro football referee - Outsports
NFL plans to hire first female referee for regular-season duty - The Boston Globe
Meet the NFL's first female Super Bowl referee
Meet Sarah Thomas the NFL's First Full-Time Female Official
Who is NFL referee Sarah Thomas?
Meet Sarah Thomas: The First Female NFL Referee To Work The Super Bowl
1st female NFL referee speaks at FSC in Lakeland
Next Woman Up: Robin DeLorenzo, NFL official
NFL's first female coach and referee debut in Chiefs-Cardinals game, NFL
Meet the First Woman to Referee an NFL Game, Smart News
Who is NFL referee Sarah Thomas?
Female referee set to break NFL's glass ceiling after NCAA success – The Denver Post