Columbia subject headings:
African American boxers--Biography.
African Americans--Social conditions--20th century.
Ali, Muhammad, 1942-2016.
Biographies.
Boxers (Sports)--United States--Biography.
Parkinson's disease--Patients--United States--Biography.
United States--Race relations--History--20th century.
Harvard subject headings:
African American boxers--Biography.
African Americans--Social conditions--20th century.
Ali, Muhammad, 1942-2016.
Biographies.
Boxers (Sports)--United States--Biography
Parkinson's disease--Patients--United States--Biography.
United States--Race relations--History--20th century.
Princeton subject headings:
African American boxers--Biography.
African Americans--Social conditions--20th century.
Ali, Muhammad, 1942-2016.
Boxers (Sports)--United States--Biography.
Parkinson's disease--Patients--United States--Biography.
United States--Race relations--History--20th century.