NBA players who currently wear No. 6 jersey
Would Celtics re-issue retired numbers? Don't count on it – Boston Herald
Every player in Celtics history who wore No. 26
Boston has retired 24 jersey numbers-these are the players so honored
Bill Russell's No. 6 Joins Rare Class of Retired Jersey Numbers - The New York Times
All-Time Best Boston Celtics By Jersey Number 00-99
Top 5 Celtics' retired numbers (quick-podcast) - CelticsBlog
Every player in Boston Celtics history who wore No. 11
NBA retires Bill Russell's number: Who will be the last player to wear No. 6?
Team-by-team look at every retired jersey in NBA history
All-time list of retired numbers in the NBA
List of National Basketball Association retired numbers - Wikipedia
Celtics rookie Jaylen Brown pays tribute to his namesake - The Boston Globe
Bill Russell's No. 6 jersey will be retired across NBA, Trending
Every player in Boston Celtics history who wore No. 0