Noli, E. “Socially and Culturally Ambiguous: Criollo-Mestizo Population in the 17th Century, Tucumán”. Memoria Americana. Cuadernos De Etnohistoria, Vol. 18, no. 2, Dec. 2010, pp. 239-66, http://revistascientificas.filo.uba.ar/index.php/MA/article/view/11961.