Yankees to retire RF Paul O'Neill's No. 21 on Aug. 21 - The Athletic
New York Yankees Retired Numbers - Sports Illustrated
Bernie Williams Retires From Baseball (No, Seriously) - WSJ
Yankees to retire Nos. 20, 46, 51 this season, honor Willie
Bernie Williams' No. 51 retired in Yankee Stadium's Monument Park
This day in Yankees history: Bernie Williams collects 2,000 hits
Andy Pettitte, Jorge Posada, Bernie Williams to have numbers
New York Yankees Retire Bernie William's no. 51 Jersey
1996 Yankees 20th Anniversary Retrospective: Bernie Williams
New York Yankees' Bernie Williams of uncommon dignity, grace - ESPN
Bernie Williams, a Revered Yankee, Looks Back and Ahead - The New
Bernie Williams will officially retire Friday before Yankees play
Yankees also retiring numbers for Bernie Williams, Jorge Posada