Columbia subject headings:
African Americans in literature.
African Americans--Social conditions.
Black people in literature.
Black people--Brazil--Social conditions.
Oratory--Brazil--History--19th century.
Oratory--United States--History--19th century.
Harvard subject headings:
African Americans in literature
African Americans--Social conditions
African Americans--Social conditions--To 1964
Black people in literature
Black people--Brazil--History--Social conditions.
Black people--Brazil--Social conditions
Oratory--Brazil--History--19th century.
Oratory--United States--History--19th century.
Slavery in literature
Princeton subject headings:
African Americans--History--19th century.
Black people--Brazil--History--19th century.
Slavery in literature.