Columbia subject headings:
Coffee industry--Puerto Rico--Yauco--History--19th century.
Coffee industry--Social aspects--Puerto Rico--Yauco--History--19th century.
Haciendas--Puerto Rico--Yauco--History--19th century.
Sugar trade--Puerto Rico--Yauco--History--19th century.
Yauco (P.R.)--History.
Yauco (P.R.)--Politics and government.
Harvard subject headings:
Princeton subject headings:
Coffee industry--Puerto Rico--Yauco--History--19th century.
Coffee industry--Social aspects--Puerto Rico--Yauco--History--19th century.
Sugar trade--Puerto Rico--Yauco--History--19th century.
Yauco (P.R.)--Politics and government.