Retired number - Wikipedia
Which Chicago Bulls numbers are retired? – NBC Sports Chicago
NBA -- Inside the numbers on the NBA's retired numbers - ESPN
713 Lakers Retired Jerseys Stock Photos, High-Res Pictures, and Images - Getty Images
Bill Russell's No. 6 Joins Rare Class of Retired Jersey Numbers - The New York Times
All 10 LA Lakers Retired Numbers, Ranked By Fans
All-Time Brooklyn & Los Angeles Dodgers Retired Numbers
Broncos unveil retired numbers tribute in pregame ceremony
Memories of retired numbers
Tigers' retired numbers
NBA jersey retirements: Kobe's two numbers, Jordan's jersey in Miami without playing and other curiosities
NHL Future Retired Number Concepts: Redux - Concepts - Chris Creamer's Sports Logos Community - CCSLC - SportsLogos.Net Forums
Records Set, Numbers Retired - UConn Today
List of NCAA men's basketball retired numbers - Wikipedia