Columbia subject headings:
Harvard subject headings:
Dominican Republic--Politics and government--1930-1961.
Labor movement--Dominican Republic--Political activity--History.
Labor movement--Political activity--Dominican Republic--History.
Labor unions--Dominican Republic--Political activity--History.
Labor unions--Political activity--Dominican Republic--History.
Strikes and lockouts--Dominican Republic--History.
Working class--Dominican Republic--Political activity--History.
Working class--Political activity--Dominican Republic--History.
Princeton subject headings:
Labor movement--Dominican Republic--History.
Socialism--Dominican Republic--History.
Strikes and lockouts--Dominican Republic--History.