Columbia subject headings:
Harvard subject headings:
Argentina--History--1860-1910.
Federal government--Argentina--History.
Ruiz Moreno, Martín, 1833-1919--Correspondence.
Ruiz Moreno, Martín, 1833-1919.
Princeton subject headings:
Argentina--History--1860-1910.
Ruíz Moreno, Martín, 1833-1919.