del Castillo, Lina. “The Contentiousness of Contingent Boundaries: Iberian Territorial Claims Making in South America and on the Peninsula”. A Contracorriente: Una Revista De Estudios Latinoamericanos, vol. 13, no. 2, Feb. 2016, pp. 342-6, https://acontracorriente.chass.ncsu.edu/index.php/acontracorriente/article/view/1515.