July 4, 1939: Lou Gehrig says farewell to baseball with 'Luckiest
Gehrig delivers his famous speech at Yankee Stadium
MLB - Remembering Lou Gehrig's farewell speech - ESPN
NFL faces intense scrutiny over concussion protocols
New York Yankees recite Lou Gehrig's speech
Lou Gehrig's 'luckiest man' speech still resonates today
Hall of Excellence - Little League
On 76th Anniversary, Lou Gehrig's Farewell Speech Still Resonates
MLB - Remembering Lou Gehrig's farewell speech - ESPN