Who is the most famous umpire in MLB history? - Quora
CALLED UP: The Emmett Ashford Story
Umpire Emmett Ashfford honored by MLB
MLB appoints Kerwin Danley, Alfonso Marquez as first African American, Latino crew chiefs - ESPN
MLB appoints first black and Latino-born umpire crew chiefs
Emmett Ashford Collection, Frank Mt. Pleasant Library of Special Collections and Archives
Bob Motley, Last Surviving Negro League Ump, Recalls Baseball History
highlights Archives - NBC Baseball
GoingDeep: Emmett Ashford blazed trails for umpires
MLB appoints 1st black umpire crew chief
LAA@OAK: Umpires honor Emmett Ashford with a patch
MLB appoints first black and Latino-born umpire crew chiefs
CALLED UP: The Emmett Ashford Story
Umpire (baseball) - Wikipedia
Umpire Emmett Ashfford honored by MLB