Columbia subject headings:
Argentina--Politics and government--1943-1955.
Argentina--Politics and government--1955-1983.
Frondizi, Arturo, 1908-1995.
Unión Cívica Radical.
Harvard subject headings:
Argentina--Politics and government--1943-1955.
Argentina--Politics and government--1955-1983.
Frondizi, Arturo, 1908-1995
Unión Cívica Radical
Princeton subject headings:
Argentina--Politics and government--1943-
Frondizi, Arturo, 1908-1995.