DUVAL O. P., A. Lacordaire et Monseigneur de Quelen 1836-1838. Archivum Fratrum Praedicatorum, [S. l.], v. 57, p. 291–340, 1987. Disponível em: https://heyjoe.fbk.eu/index.php/afp/article/view/8463. Acesso em: 7 mag. 2026.