Columbia subject headings:
Argentina--Politics and government--1955-1983.
Frondizi, Arturo, 1908-1995.
Harvard subject headings:
Argentina--Politics and government--1955-1983.
Frondizi, Arturo, 1908-1995
Princeton subject headings:
Argentina--Politics and government--1955-1983.
Frondizi, Arturo, 1908-1995.