Columbia subject headings:
Harvard subject headings:
Latin America--Commerce--Portugal--History--17th century.
Portugal--Commerce--Latin America--History--17th century.
Slave trade--Latin America--History--17th century.
Slave trade--Portugal--History--17th century.
Princeton subject headings:
Black people--Latin America--Social conditions.
Slave trade--Latin America--History.
Slave trade--Portugal--History.
Slave trade--Spain--History.
Slavery--Latin America--History.