What we learned from the first full-time woman ref on the NFL field
Who is Sarah Thomas? The First Female Referee at the Super Bowl - The New York Times
NFL's first female referee shares inspiration with Yakima audience, Sports
Sarah Thomas, NFL's 1st female official, felt pressure – after the season – The Denver Post
Sarah Thomas: NFL hires first full-time female official - Sports Illustrated
Ref Sarah Thomas Will Break NFL Glass Ceiling, Because She's Too Good Not To, News, Scores, Highlights, Stats, and Rumors
NFL female referees: How many are there and what do they make per game – NBC Sports Boston
History Made: 2 Women Coached and One Reffed in an NFL Game
Sarah Thomas Becomes NFL's First Female Full-Time Official