Mr. Muhammad Ali Has Just Refused to Be Inducted' - The New York Times

Muhammad Ali defied the draft -- and polarized the nation -- 49 years ago today - Los Angeles Times

Muhammad Ali: symbol of the civil rights movement, The Independent

Muhammad Ali, Boxing Heavyweight champion - The Greatest [PHOTOS]

Muhammad Ali and the complexity of black identity

On Muhammad Ali's Complicated Contradictions, And How He Changed Boxing

A History of Muhammad Ali - The New York Times

Boxing career of Muhammad Ali - Wikipedia

Muhammad Ali Evolved From a Blockbuster Fighter to a Country's Conscience - The New York Times

June 20, 1967: Muhammad Ali Convicted for Refusing the Vietnam Draft - Zinn Education Project

Muhammad Ali defied the draft -- and polarized the nation -- 49 years ago today - Los Angeles Times

The Trials of Muhammad Ali”: Boxing Champ's Refusal to Serve in Vietnam Was the Fight of His Life