Columbia subject headings:
Harvard subject headings:
Peasants--Dominican Republic--Cibao Valley--History.
Tobacco farmers--Dominican Republic--Cibao Valley--History.
Tobacco industry--Dominican Republic--Cibao Valley--History.
Princeton subject headings:
Peasants--Dominican Republic--Cibao Valley--History.
Tobacco farmers--Dominican Republic--Cibao Valley--History.
Tobacco industry--Dominican Republic--Cibao Valley--History.