Yankee Stadium's Monument Park: Stories of place where legends go
Babe Ruth monument dedicated on this day in 1949 by New York Yankees
Enshrinement in Yankees Monument Park is a tradition unlike any
Yankees, Eager to Retire Numbers, Subtract Options for Current
The New York Times: This Day In Sports
Yankee Retired Numbers: The All-Time Numerical Lineup of Yanks
If the Boston Red Sox retired numbers like the New York Yankees do
Paul O'Neill Yankees No. 21 retired
Yankees history: Eddie Bockman's four games wearing Babe Ruth's #3