Columbia subject headings:
Latin America--Commerce--Spain--History.
Spain--Colonies--America--History.
Spain--Commerce--Latin America--History.
Harvard subject headings:
Atlantic Ocean Region--Commerce--History.
International trade--History
Spain--Commerce--Latin America--History.
Spain--Economic conditions--History.
Princeton subject headings:
Latin America--Commerce--Spain--History.
Spain--Colonies--America--Commerce--History.
Spain--Commerce--Latin America--History.