Columbia subject headings:
African Americans--History.
Disabilities--United States--History.
Racism--United States--History.
Slavery--United States--History.
Sociology of disability--United States--History.
Harvard subject headings:
Princeton subject headings:
African Americans--History.
Disabilities--United States--History.
Racism--United States--History.
Slavery--United States--History.
Sociology of disability--United States--History.