Columbia subject headings:
Allende Gossens, Salvador, 1908-1973.
Berlinguer, Enrico.
Chile--Politics and government--1970-1973.
Unidad Popular.
Harvard subject headings:
Allende Gossens, Salvador, 1908-1973.
Berlinguer, Enrico.
Chile--Politics and government--1970-1973.
Unidad Popular.
Princeton subject headings:
Allende Gossens, Salvador, 1908-1973.
Berlinguer, Enrico.
Unidad Popular.