May 15, 1947: Greenberg Gardens homers decisive in Jackie Robinson's Pittsburgh debut with Dodgers – Society for American Baseball Research
May 18, 1947: Jackie Robinson welcomed at Chicago's Wrigley Field – Society for American Baseball Research
Remembering Jackie Robinson's historic debut 75 years later - Good Morning America
May 15, 1947: Greenberg Gardens homers decisive in Jackie Robinson's Pittsburgh debut with Dodgers – Society for American Baseball Research
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TSN Archives: Dodgers split on Jackie Robinson (March 12, 1947, issue)
June 24, 1947: Jackie Robinson steals home for the first time with Dodgers – Society for American Baseball Research
Back to the Future: Building a Ballpark, Not a Stadium
Today in NYC History: Jackie Robinson Debuts for the Brooklyn Dodgers (1947)
1947 Dodgers: Jackie Robinson's First Game – Society for American Baseball Research
Today in sports history: April 15
What Happened the Day Jackie Robinson Made His MLB Debut 75 Years Ago – NBC Bay Area
Today in sports history: April 15
42 in '47: The Baseball Cards of Jackie Robinson's Dodger Debut – Society for American Baseball Research
Back to the Future: Building a Ballpark, Not a Stadium