Columbia subject headings:
Argentina--History--1817-1860.
Assassination--Argentina--Tucumán--History.
Avellaneda, Marco M. de (Marco Manuel), 1813-1841.
Heredia, Alejandro, 1783-1838.
Tucumán (Argentina)--History.
Harvard subject headings:
Argentina--History--1817-1860.
Assassination--Argentina--Tucumán--History.
Avellaneda, Marco Manual, 1813?-1841.
Heredia, Alejandro, 1783-1838.
Tucumán (Argentina)--History.
Princeton subject headings: