White Sox retire Paul Konerko's number in pregame ceremony
Boston Red Sox retired numbers: From Bobby Doerr to Pedro
Retired Uniform Numbers in the American League
Chicago White Sox, History & Notable Players
The history - and expedience - of the Twins retiring jersey numbers
U.S. Cellular Field – The Chicago White Sox
What are the Boston Red Sox Retired Numbers?
Another great idea on breathing life into retired numbers - NBC Sports
Which pro sports teams have the most retired numbers?
A's announce date to retire former ace Dave Stewart's No. 34