Columbia subject headings:
Harvard subject headings:
African American historians--History--20th century.
African Americans--Historiography
African Americans--Study and teaching (Higher)--History--20th century.
African Americans--Study and teaching (Higher)--United States--History--20th century.
Princeton subject headings:
African American historians--History--20th century.
African Americans--Historiography.
African Americans--Study and teaching (Higher)--United States--History--20th century.