Yankees Name Rachel Balkovec as First Woman Manager in Minors - The New York Times
How Do We Get More Black Coaches in Pro Sports? - WSJ
First black players for each major league baseball team - Baseball Egg
Chicago's Starring Role in the Creation of Baseball's Negro Leagues, 100 Years Ago
When Baseball Led America - Yogi Berra Museum & Learning Center
10 First African American Players in Major League Baseball - Sports Management Degree Guide
Kevin Warren Takes Bears CEO Job After Historic Big Ten Run –
Baseball Way Back: The other Frank Thomas who made a name in Chicago baseball
Significant Black firsts in sports history
USA Baseball Names 13U/14U Athlete Development Program Roster
Frank Robinson, the first black manager in Major League Baseball, dies at 83 - MarketWatch