Charlie Blackmon, Rockies appreciate 75th anniversary of Jackie Robinson's debut
Mr. Nussbaum - Jackie Robinson Biography
Last player to wear No. 42 for each MLB team
MLB ready to celebrate Jackie Robinson Day - Jackie Robinson
Why are MLB players wearing No. 42 jerseys today?
Rachel Robinson makes guest appearance at Dodger Stadium – Daily News
Jackie Robinson, Biography, Statistics, Number, Facts, & Legacy
Why are MLB players wearing No. 42 jerseys today?
Facts about Jackie Robinson, The Learning Key
Retired number, sports award
Cards wear No. 42 on Jackie Robinson Day
Uniformed personnel wear No. 42 on annual Jackie Robinson Day - Montreal
Celebrating Jackie's 100th: 42 facts about Jackie Robinson, by Rowan Kavner