History of retired numbers dates back to Lou Gehrig Day
Shane Doan becomes first player in Coyotes history to have number retired
File:Retired Numbers, Louisiana Superdome, New Orleans (37) (3938562169).jpg - Wikimedia Commons
Retired Jerseys, Los Angeles Lakers Lakers
Da Greats: Retired Chicago Bears Jersey Numbers - The Chicago Audible
Retired Jerseys - BYU Athletics - Official Athletics Website - BYU Cougars
Yankees retired numbers and 23 legends who wore them
File:Retired numbers of Chicago Cubs (Williams, Sandberg, Maddux).jpg - Wikimedia Commons
File:New Jersey Devils retired numbers 27 3 4 in Feb 2013.jpg - Wikipedia
Utah Jazz Legends, Retired numbers, CharleyMarley
Houston Astros: Top 30 players in franchise history - Page 28
Infographic: Packers' retired numbers
Lakers News: First Great Lakers Center Will Have Jersey Posthumously Retired - All Lakers