Dilworth, David A. “Peirce’s Last Philosophic Will and Testament: Uberty in the Logic of Instinctive Reasoning”. Cognitio: Revista De Filosofia, vol. 16, no. 2, May 2016, pp. 233-58, https://revistas.pucsp.br/index.php/cognitiofilosofia/article/view/27762.