Columbia subject headings:
Coffee industry--Brazil--History.
Plantation life--Brazil--History.
Slave trade--Brazil--History.
Slavery--Brazil--History.
Harvard subject headings:
Coffee industry--Brazil--History.
Plantation life--Brazil--History.
Slave trade--Brazil--History.
Slavery--Brazil--History
Princeton subject headings:
Coffee industry--Brazil--History.
Plantation life--Brazil--History.
Slave trade--Brazil--History.
Slavery--Brazil--History.