Columbia subject headings:
Chile--Politics and government--1920-1970.
Frente Popular (Chile)
Schnake Vergara, Oscar.
Socialism--Chile--History.
Statesmen--Chile--Biography.
Harvard subject headings:
Chile--Politics and government--1920-1970.
Schnake Vergara, Oscar.
Socialism--Chile--20th century.
Socialism--Chile--History--20th century.
Socialists--Chile--Biography.
Princeton subject headings:
Chile--Politics and government--1920-1970.
Schnake Vergara, Oscar.
Socialism--Chile--History--20th century.
Socialists--Chile--Biography.