Columbia subject headings:
Harvard subject headings:
Argentina--Politics and government--1860-1910.
Argentina--Presidents--Biography.
Pellegrini, Carlos, 1846-1906.
Presidents--Argentina--Biography
Princeton subject headings:
Argentina--Economic conditions.
Argentina--History--1860-1910.
Argentina--Politics and government--1860-1910.
Pellegrini, Carlos, 1846-1906.