Columbia subject headings:
Argentina--Commerce--History--19th century--Congresses.
Argentina--Economic policy--Congresses.
Argentina--History--1860-1910--Congresses.
Harvard subject headings:
Argentina--Commerce--History--19th century--Congresses.
Argentina--Economic policy--Congresses.
Argentina--History--1860-1910--Congresses.
Princeton subject headings:
Argentina--Commerce--History--19th century--Congresses.
Argentina--Economic policy--Congresses.
Argentina--History--1860-1910--Congresses.