Columbia subject headings:
Harvard subject headings:
Argentina--Politics and government--1910-1943
Irigoyen, Hipólito, 1852-1933
Radicalism--Argentina--History--20th century
Princeton subject headings:
Argentina--Politics and government--1910-1943.
Irigoyen, Hipólito, 1852-1933.
Radicalism--Argentina--History--20th century.