Kvidahl: NFHS wants to 'bench bad behavior' to address shortage of officials, but that's naive solution
Abusive behavior, unruly parents causing referee shortages in youth hockey leagues
McCurdy: Adult fans need to stop acting a fool
What's being done to stop adults' misbehavior at youth soccer games : NPR
National Referee Shortage — Center on Sport Policy and Conduct
Sport's ugly blind spot – abuse of officials
Global resistance to referee abuse: The Referee Forum (U.K.)
Referee shortage in youth sports blamed partly on verbal abuse from parents, coaches
Bad Behavior Drove a Referee Shortage. Covid Made It Worse. - The New York Times
Luke Mullin: Fan abuse, health reasons explain sharp decline in registered officials — 'It's not hard to see why we're losing officials