Jackie Robinson Day: 4 Facts About His Jersey No. 42, Now Retired in MLB

After Jackie Robinson, MLB integration was halting - The Washington Post

Jackie Robinson Was Crazily NOT the Last Dodgers Player to Wear No. 42

Angels and Mariners lock arms in show of support on Jackie Robinson Day – Orange County Register

Jackie Robinson Day - Wikipedia

42 facts about Jackie Robinson to celebrate the 75th anniversary of his breaking the color barrier

Jackie Robinson - Facts, Quotes & Stats

Jackie Robinson — Articles

Jersey number 42 hi-res stock photography and images - Alamy

Seventy-Five Years Ago, Jackie Robinson Changed History When He Took the Field in a Brooklyn Dodgers Uniform - Jugs Sports

Jackie Robinson's Long Fight Against Discrimination, by Seth S. Tannenbaum, Weekend Caucus

Why are Boston Red Sox players all wearing No. 42 jerseys? Jackie Robinson day across the MLB