Columbia subject headings:
African Americans--Diseases--History.
African Americans--Nutrition--History.
Health and race--United States--History.
Slaves--United States--Social conditions.
Harvard subject headings:
African Americans--Diseases--History.
African Americans--Nutrition--History.
Health and race--United States--History.
Slaves--United States--Social conditions
Princeton subject headings:
African Americans--Diseases--History.
African Americans--Nutrition--History.
Health and race--United States--History.
Slaves--United States--Social conditions.