Columbia subject headings:
Argentina--Politics and government--1955-1983.
Illia, Arturo Umberto, 1900-1983.
Radicalism--Argentina--History--20th century.
Harvard subject headings:
Argentina--Politics and government--1955-1983.
Illia, Arturo Umberto, 1900-1983.
Radicalism--Argentina--History--20th century
Princeton subject headings:
Argentina--Politics and government--1955-1983.
Illia, Arturo Umberto, 1900-1983.
Radicalism--Argentina--History--20th century.