April 23,1966 The Sporting News: Emmett Ashford, First African American Umpire - Atlanta Braves First Game - Busch Memorial Stadium Opens - Orioles Jim Palmer: (1966) Magazine / Periodical
GoingDeep: Emmett Ashford blazed trails for umpires
On this date, April 11: How Dodgers ruined opening of Giants' new ballpark – Paradise Post
GoingDeep: Emmett Ashford blazed trails for umpires
Baseball's first Black umpire is a lesser-known milestone
Major league baseball helmet hi-res stock photography and images - Alamy
Emmett Ashford, The First Black Major League Umpire Was a Member of Kappa Alpha Psi - Watch The Yard
Umpire Emmett Ashford broke barriers behind a mask
Major league baseball helmet hi-res stock photography and images - Alamy
Julian Javier – Society for American Baseball Research
Emmett Ashford, The First Black Major League Umpire Was a Member of Kappa Alpha Psi - Watch The Yard
Emmett Ashford paved way for black umpires
Umpire Emmett Ashford was victim of Julian Javier attack
Umpire Baseball: Most Up-to-Date Encyclopedia, News & Reviews