File:Pirates Jackie Robinson.png - Wikipedia

Kansas City Royals - Wikipedia

Jackie Robinson - Wikipedia

Montreal Expos team ownership history – Society for American Baseball Research

File:Jackie Robinson 1950 (cropped).jpg - Wikimedia Commons

File:Jrobinson.jpg - Wikipedia

Miami Marlins - Wikipedia

American Caramel – SABR's Baseball Cards Research Committee

Pittsburgh Pirates - Wikipedia

Jackie Robinson - Wikipedia

Danny Turner: the Deuce Goose by Richard B. Stansberry - Ebook

Pittsburgh Pirates - Wikipedia

MORE