Columbia subject headings:
Labor supply--Caribbean Area--History--19th century--Congresses.
Slave labor--Caribbean Area--History--19th century--Congresses.
Slaves--Emancipation--Caribbean Area--History--19th century--Congresses.
Sugar--Manufacture and refining--Caribbean Area--History--19th century--Congresses.
Harvard subject headings:
Labor supply--Caribbean Area--History--19th century--Congresses.
Slave labor--Caribbean Area--History--19th century--Congresses.
Slaves--Emancipation--Caribbean Area--History--19th century--Congresses.
Sugar--Manufacture and refining--Caribbean Area--History--19th century--Congresses.
Princeton subject headings:
Labor supply--Caribbean Area--History--19th century--Congresses.
Slave labor--Caribbean Area--History--19th century--Congresses.
Slaves--Emancipation--Caribbean Area--History--19th century--Congresses.
Sugar--Manufacture and refining--Caribbean Area--History--19th century--Congresses.