Columbia subject headings:
Sugar trade--Brazil, Northeast--History.
Sugar trade--Economic aspects--Brazil, Northeast--History.
Sugar trade--Social aspects--Brazil, Northeast--History.
Harvard subject headings:
Sugar trade--Brazil, Northeast--History.
Sugar trade--Economic aspects--Brazil, Northeast--History.
Sugar trade--Social aspects--Brazil, Northeast--History.
Princeton subject headings:
Brazil--Colonization--History.
Land tenure--Brazil, Northeast--History.
Sugar trade--Brazil, Northeast--History.
Sugar trade--Economic aspects--Brazil, Northeast--History.
Sugar trade--Social aspects--Brazil, Northeast--History.
Sugar workers--Brazil, Northeast--History.