Former Dallas Mavericks Dirk Nowitzki watches a banner being raised with his family during a number retirement ceremony after an NBA basketball game between the Golden State Warriors and Dallas Mavericks in
Warriors Raise Team's Philadelphia-Era Championship Banners at Oracle Arena
Bill Russell's No. 6 Joins Rare Class of Retired Jersey Numbers - The New York Times
LeBron James will join this list of NBA players with numbers retired by multiple teams – NBC Los Angeles
Mavericks retire Dirk Nowitzki's No. 41 in emotional ceremony
Dirk Nowitzki becomes first player to have number retired by German Basketball Federation - ESPN
Allen Iverson's No. 3 retired by Philadelphia 76ers - ESPN
Would Celtics re-issue retired numbers? Don't count on it – Boston Herald
Minneapolis Laker George Mikan finally had his jersey retired - Silver Screen and Roll
NBA: Los Angeles Lakers to retire two Kobe Bryant jersey numbers to honour his two-decade long career-Sports News , Firstpost
How many NBA players have numbers retired by multiple teams? Is Pau Gasol next? – NBC Sports Chicago
LeBron James will join this list of NBA players with numbers retired by multiple teams – NBC Los Angeles