Orioles celebrate Jackie Robinson Day - Camden Chat
Uncle Mike's Musings: A Yankees Blog and More: April 15, 1947: We Are All Number 42
Managing History: Jackie Robinson and Managers – Society for American Baseball Research
Remembering the last Dodger to wear Jackie Robinson's No. 42, Sports
MLB celebrates Jackie Robinson Day
D-backs' next retired number prediction
April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research
Celebrating Jackie's 100th: 42 facts about Jackie Robinson, by Rowan Kavner
Retired number, sports award