All-Black NFL officiating crew works game for 1st time
Highlands alum Dale Shaw part of 1st all-Black officiating crew in NFL history
Johnny Grier, NFL's first Black referee, dies at 74 – Football Zebras
Highlands alum Dale Shaw part of 1st all-Black officiating crew in NFL history
NFL100: Before they were zebras, they were … candy canes? – Football Zebras
Understanding College Football Officiating - The Crew And Their Keys - Corn Nation
NFL Officiating Crews for the 2023 NFL Season
NFL to use all-Black officiating crew for first time ever
All-Black female high school football officials crew to make history