Columbia subject headings:
Chile. Oficina del Trabajo--History.
Labor laws and legislation--Chile--History.
Labor policy--Chile.
Labor--Chile--History.
Harvard subject headings:
Chile. Oficina del Trabajo--History.
Labor laws and legislation--Chile--History.
Labor policy--Chile.
Labor--Chile--History.
Princeton subject headings:
Chile. Oficina del Trabajo--History.
Labor laws and legislation--Chile--History.
Labor policy--Chile.
Labor--Chile--History.