Columbia subject headings:
Harvard subject headings:
Báez, Mauricio, 1910-1950.
Labor unions--Dominican Republic--History.
Labor unions--Dominican Republic--Officials and employees--Biography.
Working class--Dominican Republic--History.
Princeton subject headings:
Báez, Mauricio, d. 1950.
Dominican Republic--Politics and government--1930-1961.
Labor unions--Dominican Republic--Political activity--History--20th century.
Press, Labor--Dominican Republic--History--20th century.