Columbia subject headings:
Harvard subject headings:
Brazil--Politics and government--1930-1945.
Labor policy--Brazil--History.
Vargas, Getúlio, 1883-1954.
Working class--Brazil--History
Princeton subject headings:
Brazil--Politics and government--1930-1945.
Labor policy--Brazil--History.
Vargas, Getúlio, 1883-1954.
Working class--Brazil--History.