Ice hockey - Wikipedia
What Happens When NHL Referees Are Injured? - Scouting The Refs
NHL's best referee: Wes McCauley goes by his own book – The Denver Post
Referee Nic LeDuc Returns to Ice After Horrifying Injury - Scouting The Refs
Winter Olympics: Ice hockey referee sustains horrific cut on her FACE after being struck by a stick
Koho' hanging up whistle after 40 years
Winter Olympics: Ice hockey referee sustains horrific cut on her FACE after being struck by a stick
Tim Peel: Robert Bortuzzo goal hits ref in crotch (video) - Sports Illustrated
Referee Kelly Sutherland Injured By High Stick at Avs/Lightning - Scouting The Refs
Referee Got Face Slashed During Winter Olympics Hockey Match
Refs stopping play when a player is injured question HFBoards - NHL Message Board and Forum for National Hockey League
Helmet holdouts: The last players not to wear helmets in the NHL - The Hockey News