The Woman Who (Maybe) Struck out Babe Ruth and Lou Gehrig, History
What Joe DiMaggio meant for Italian Americans, Bronx Pinstripes
List of Major League Baseball retired numbers - Wikipedia
Baseball In Pics - Lou Gehrig and Joe DiMaggio Together in 1937.
Gehrig and ruth hi-res stock photography and images - Alamy
Yankees history: Eddie Bockman's four games wearing Babe Ruth's #3 - Pinstripe Alley
Yankees retired numbers and the baseball legends who wore them
New York Yankees to retire Paul O'Neill's No. 21 on Aug. 21
Beyond Gehrig: The 1939 Yankees were incomparable, Bronx Pinstripes