Columbia subject headings:
Harvard subject headings:
Federação das Indústrias do Estado do Rio Grande do Sul--History--20th century.
Labor movement--Brazil--Rio Grande do Sul (State)--History--20th century.
Labor unions--Political activity--Brazil--Rio Grande do Sul (State)--History--20th century.
Trade associations--Political activity--Brazil--Rio Grande do Sul (State)--History--20th century.
Princeton subject headings:
Federação das Indústrias do Estado do Rio Grande do Sul--History--20th century.
Labor movement--Brazil--Rio Grande do Sul (State)--History--20th century.
Labor unions--Political activity--Brazil--Rio Grande do Sul (State)--History--20th century.
Trade associations--Political activity--Brazil--Rio Grande do Sul (State)--History--20th century.