Columbia subject headings:
Labor unions--Mexico--Jalisco--History--20th century.
Labor unions--Officials and employees--Mexico--Biography.
Medina, Luis C., 1888-1981.
Harvard subject headings:
Labor unions--Mexico--Employees and officials--Biography.
Labor unions--Mexico--Jalisco--History--20th century.
Medina, Luis C., 1888-1981.
Princeton subject headings:
Casa del Obrero Mundial--History.
Confederación Regional Obrera Mexicana--History.
Labor leaders--Mexico--Jalisco--Biography.
Labor movement--Mexico--Jalisco--History--20th century.
Labor unions--Mexico--Jalisco--History--20th century.
Medina, Luis C., 1888-1981.
Syndicalism--Mexico--Jalisco--History--20th century.
Working class--Mexico--Jalisco--Political activity.