Columbia subject headings:
African American communists--History--Sources.
African Americans--History--1877-1964--Sources.
Communism--United States--History--Sources.
Harvard subject headings:
African American communists--History--Sources.
African Americans--History--1877-1964--Sources.
Communism--United States--History--Sources.
Princeton subject headings:
African American communists--History--Sources.
African Americans--History--1877-1964--Sources.
Communism--United States--History--Sources.