Columbia subject headings:
Racism--United States--History--19th century.
Slavery--History--19th century.
Slavery--United States--Historiography.
Slavery--United States--History--19th century.
Southern States--History--1775-1865.
United States--Race relations.
Harvard subject headings:
Racism--United States--History--19th century
Slavery--History--19th century.
Slavery--United States--Historiography
Slavery--United States--History--19th century
Southern States--History--1775-1865.
United States--Race relations
Princeton subject headings:
Racism--United States--History--19th century.
Slavery--History--19th century.
Slavery--United States--Historiography.
Slavery--United States--History--19th century.
Southern States--History--1775-1865.
United States--Race relations.