Columbia subject headings:
African Americans--Civil rights.
Civil rights movements--United States--History--20th century.
King, Martin Luther, Jr., 1929-1968--Influence.
King, Martin Luther, Jr., 1929-1968--Philosophy.
United States--Race relations.
X, Malcolm, 1925-1965--Influence.
X, Malcolm, 1925-1965--Philosophy.
Harvard subject headings:
African Americans--Civil rights--History--Sources
Civil rights movements--United States--History--Sources.
Civil rights workers--United States--Sources.
King, Martin Luther, Jr., 1929-1968--Sources literature.
United States--Race relations--Sources
X, Malcolm, 1925-1965--Sources.
Princeton subject headings:
African Americans--Civil rights.
Civil rights movements--United States--History--20th century.
King, Martin Luther, Jr., 1929-1968--Influence.
King, Martin Luther, Jr., 1929-1968--Philosophy.
United States--Race relations.
X, Malcolm, 1925-1965--Influence.
X, Malcolm, 1925-1965--Philosophy.