Columbia subject headings:
Argentina--Politics and government--1910-1943.
Irigoyen, Hipólito, 1852-1933.
Harvard subject headings:
Argentina--Politics and government--1910-1943
Irigoyen, Hipólito, 1852-1933
Princeton subject headings:
Argentina--Politics and government--1910-1943.
Argentina. President (1916-1922 : Irigoyen)
Irigoyen, Hipólito, 1852-1933.