Bill Russell's No. 6 is being retired across the NBA : NPR
Retired number - Wikipedia
News You Can Use Archives - State and Federal Communications
12 Getting Retired? : r/Patriots
Bill Russell's No. 6 jersey to be retired throughout NBA
Bill Russell's No. 6 jersey to be retired league wide
Kobe_Bryant
Why was Boston Garden nearly empty when Bill Russell's number was retired in 1972? - The Boston Globe
Bill Russell's No. 6 Joins Rare Class of Retired Jersey Numbers - The New York Times
NBA Retires Bill Russell's No. 6 Jersey - Sports Illustrated Miami Heat News, Analysis and More
Wilt Chamberlain - Wikipedia
NBA retire number 6 jersey to 'honour the life and legacy' of Bill Russell
1966 NBA Finals Program Lakers Celtics Basketball Vintage Rare Bill Russell