Who were the first and last Yankees players to wear the retired numbers? - Pinstripe Alley
Derek Jeter's No. 2, Never to Be Seen Again on Pinstripes at Yankee Stadium - The New York Times
Yankees: Who Will Be The Next Player To Get Their Number Retired? - Unhinged New York
New York Yankees retired numbers: Is team too generous? - Sports Illustrated
Yankees want to stop issuing uniform numbers to managers, coaches because they're running out
Yankee Stadium: Monument Park - Retired Numbers - Lou Gehr…
Yankee Stadium: Monument Park - Retired Numbers - Elston H…
Are the Yankees Retiring Too Many Numbers? - The Ringer
New York Yankees: 5 numbers that need to be un-retired