- High School Principal Injured in Iowa School Shooting Has Died The New York Times
- Iowa principal who risked his life to protect students during a high school shooting has died Yahoo News
- Iowa principal who was hailed a hero in Perry High School shooting dies of injuries CNN
- Governor Reynolds lowers flags to half-staff after Principal Dan Marburger’s death KCRG
- Perry, Iowa High School principal injured in shooting dies | LiveNOW from FOX LiveNOW from FOX
Source: High School Principal Injured in Iowa School Shooting Has Died – The New York Times
