Columbia subject headings:
Argentina--Politics and government--20th century.
Communism--Argentina--History.
Partido Comunista de la Argentina--History.
Harvard subject headings:
Argentina--Politics and government--20th century.
Communism--Argentina--History.
Partido Comunista de la Argentina--History.
Princeton subject headings:
Argentina--Politics and government--20th century.
Partido Comunista de la Argentina.
Political parties--Argentina.