Columbia subject headings:
Harvard subject headings:
Antislavery movements--United States--Controversial literature.
Slavery--Justification
Slavery--West Indies
Slaves--Emancipation--United States
Slaves--Emancipation--United States--Controversial literature.
Slaves--Emancipation--West Indies--Controversial literature.
Princeton subject headings:
Slavery--United States.
Slavery--West Indies.
Slaves--Emancipation--United States.