NFL officiating to undergo major changes in 2014 - Sports Illustrated
Timeline of NFL's Week 3 Replacement Referee Nightmare, News, Scores, Highlights, Stats, and Rumors
49ers-Eagles referees: Ed Hochuli to be lead official - Niners Nation
Column: Throw a flag on these NFL refs - WTOP News
NFL referee Ed Hochuli, with his massive guns and lengthy explanations, is retiring. So is Jeff Triplette. - The Washington Post
War Room Sports, The War Room
2010 San Francisco 49ers season, American Football Database
Ed Hochuli's Gun Show Returns Today – Joe Montana's Right Arm
Referee assignments, preseason week 1 – Football Zebras
Former NFL Officiating Exec Dean Blandino comments on Chiefs RT Jawaan Taylor
Fred Wyant, NFL referee and line judge for 27 seasons, has passed away – Football Zebras