Ask Farmer: Explaining the purpose of the referee's black wristbands - Los Angeles Times
NFL100: Before they were zebras, they were … candy canes? – Football Zebras
NFL makes history with all-Black officiating crew for MNF – KGET 17
Column: NFL officials make far too many mistakes, and it's worse in the playoffs - The San Diego Union-Tribune
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Peyton and Eli Manning admire referee Clete Blakeman's buff body - Outsports
Fashion statement: NFL refs to sport new uniforms
Ask Farmer: Why do NFL referees have numbers? - Los Angeles Times
New Jersey native Robin DeLorenzo makes NFL debut as league's third female official - CBS New York
Johnny Grier, N.F.L.'s First Black Referee, Dies at 74 - The New York Times
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Ask Sam Farmer: Are there throwback uniforms for NFL officials? - Los Angeles Times
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How Do NFL Officials Communicate on the Field?
NFL Referee Assignments Betting Stats & Trends - Super Wild Card Weekend
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NFL Referee Ron Torbert Makes the Tough Calls | Harvard Magazine
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The Real Reason NFL Referees Wear Black and White
Upstate NY native Maia Chaka makes history as NFL's first Black female referee - syracuse.com
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