Marinho de Melo, F. M. “The Case of Caetano: Manumission and Slavery Between Lisbon and Pernambuco (18th Century)”. Sertão História - Electronic Journal of the Center for Studies in Social History and the Environment, vol. 2, no. 4, July 2023, pp. 58-79, http://revistas.urca.br/index.php/SertH/article/view/888.