MLB players write letters to Jackie Robinson

The Real Story of Baseball's Integration That You Won't See in 42 - The Atlantic

Robinson as a Dodger: 1947 to 1956, Baseball, the Color Line, and Jackie Robinson, Articles and Essays, By Popular Demand: Jackie Robinson and Other Baseball Highlights, 1860s-1960s, Digital Collections

My dad has over 50 autographs from historic MLB players who sent back his letters when he was a kid! This one's my favorite. : r/baseball

Sports Heroes Who Served: Baseball Great Jackie Robinson Was WWII Soldier > U.S. Department of Defense > Story

Jackie Robinson, Civil Rights Advocate

Jackie Robinson Day: Why MLB should honor radical activism - Los Angeles Times

Josh Donaldson apologises to Jackie Robinson's family after 'joke' during game, MLB

Letter from Jackie Robinson on Civil Rights, Seventh Grade Reading Passage

Jackie Robinson's Used Glove in Last MLB Seasons Up for Auction

Baseball, Race Relations and Jackie Robinson, Classroom Materials at the Library of Congress

Jackie Robinson signed baseball found by Omaha family headed for auction