SAMMASSIMO, Anna. The establishment of the College of Cardinals between the eleventh and the thirteenth century. Revista de Investigación de la Cátedra Internacional conjunta Inocencio III, [S. l.], v. 1, n. 3, p. 79–100, 2016. Disponível em: https://vergentis.ucam.edu/index.php/vergentis/article/view/29. Acesso em: 2 mar. 2024.