Columbia subject headings:
Labor unions--Chile--Biography.
Labor unions--Chile--History.
Recabarren, Luis Emilio, 1876-1924.
Socialists--Chile--Biography.
Harvard subject headings:
Labor unions--Chile--Biography.
Labor unions--Chile--History.
Recabarren, Luis Emilio, 1876-1924
Socialists--Chile--Biography.
Princeton subject headings:
Labor unions--Chile--Biography.
Labor unions--Chile--History.
Recabarren, Luis Emilio, 1876-1924.
Socialists--Chile--Biography.