Representaciones cartográficas durante la Confederación Argentina: Parte del mapa del Chaco ordenado por Alfred du Graty (1859-1860).

Argentina. General Archive of the Nation. Written Documents Department. Argentine Confederation. Ministry of War and Navy. 58-1-1. Paper. [Part of the map of the Chaco that by order, and under the direction of the General Command is being drawn up by the engineer attached to the E.M. of the latter.] Undated. [ABSTRACT FROM AUTHOR]