Columbia subject headings:
African Americans--Race identity--History--19th century.
Pan-Africanism--History--19th century.
Slavery--United States.
Harvard subject headings:
African Americans--Race identity--History--19th century.
Pan-Africanism--History--19th century.
Slavery--United States
Princeton subject headings:
African Americans--Race identity--History--19th century.
Pan-Africanism--History--19th century.
Slavery--United States.