Columbia subject headings:
African American leadership.
African Americans--Intellectual life.
Social action--United States--History--20th century.
Sociology--United States--History--20th century.
United States--Intellectual life--20th century.
Harvard subject headings:
African American leadership.
African Americans--Intellectual life
Social action--United States--History--20th century.
Sociology--United States--History--20th century.
United States--Intellectual life--20th century.
Princeton subject headings:
African American leadership.
African Americans--Intellectual life.
Social action--United States--History--20th century.
Sociology--United States--History--20th century.
United States--Intellectual life--20th century.