Bill Russell's No. 6 to be retired across NBA following legend's death last month - ESPN
Remembering the underappreciated Celtic great John Havlicek - CelticsBlog
Bill Russell's No.6 Jersey Number Retired Throughout the NBA
Bill Russell's No. 6 Joins Rare Class of Retired Jersey Numbers - The New York Times
Boston's greatest players to don each uniform number: 101 unforgettable digits - The Athletic
John Havlicek, Celtics great with mighty steal, dies at 79, National Sports
Bill Russell's No.6 Jersey Number Retired Throughout the NBA
1966 NBA Finals Program Lakers Celtics Basketball Vintage Rare Bill Russell
The Definitive Milwaukee Bucks Unconventional Jersey Numbers Index - Brew Hoop
Legends profile: John Havlicek
NBA retire number 6 jersey to 'honour the life and legacy' of Bill Russell
All the players who could wear a No. 6 jersey in 2022-23 after the NBA's plans to retire it to honor Bill Russell
NBA to retire Bill Russell's No. 6 jersey throughout the league as tribute to the 11-time champion