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

Muhammad Ali, who riveted the world as 'The Greatest',' dies at age 74

Muhammad Ali Refuses the Vietnam War Draft

Muhammad Ali laid to rest Friday

Muhammad Ali Refuses the Vietnam War Draft

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

50 years ago today, Muhammad Ali was told to 'step forward.' He refused. - The Washington Post

Muhammad Ali - Wikipedia

Opinion Why We Can't Quit Muhammad Ali - The New York Times

Did Muhammad Ali ever say “No Viet Cong ever called me nigger”?

Muhammad Ali, boxing legend and global icon, dead at 74 – New York Daily News

What did Muhammad Ali do in the ring that you remember and admire him for? - Quora

How Muhammad Ali won his title role as a great man

Muhammad Ali Returns

Muhammad Ali Grew Into Many Roles - The New York Times