Baseball's first Black umpire is a lesser-known milestone - TheGrio
MLB appoints 1st black umpire crew chief
April 11, 1966: Emmett Ashford makes history as first Black umpire in American League – Society for American Baseball Research
MLB makes history by naming its first black and Latino-born umpire crew chiefs, FOX 4 Kansas City WDAF-TV
Emmett Ashford – a rare personality
CALLED UP: The Emmett Ashford Story
CALLED UP: The Emmett Ashford Story
Emmett Ashford, The First Black Major League Umpire Was a Member of Kappa Alpha Psi - Watch The Yard
CALLED UP: The Emmett Ashford Story
CALLED UP: The Emmett Ashford Story