Jersey for the St. Louis Cardinals worn by Curt Flood National Museum of African American History and Culture

Athletes for Social Change National Museum of African American History and Culture

Take Me out to the Ball Game, Page 9

Roberto Clemente and Curt Flood: Race, Labor, and the National Pastime – Society for American Baseball Research

The Nine

CardCorner: 1969 Topps Leon Wagner

Bob Gibson wills Cardinals to Game 7 victory in 1964 World Series

After Jackie' documentary covers Black players who continued Jackie Robinson's legacy

Que Viva Clemente! Roberto Lives On in the Hearts of Latino Major Leaguers – Society for American Baseball Research

Take Me out to the Ball Game, Page 9