Columbia subject headings:
Harvard subject headings:
Slavery--United States--History--19th century
Slaves--Emancipation--United States--History--19th century.
Slaves--Southern States--History--19th century.
United States--History--Civil War, 1861-1865
Xenophobia--United States--History--19th century.
Princeton subject headings:
Slavery--United States--History--19th century.
Slaves--Emancipation--United States--History--19th century.
Slaves--Southern States--History--19th century.
United States--History--Civil War, 1861-1865.
Xenophobia--United States--History--19th century.