MAGER, Mathis. Secularization as an Institutional Challenge – the General Chapter of the Order of St. John in Viterbo (1527). Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders, [S. l.], v. 22, p. 109–121, 2017. DOI: 10.12775/OM.2017.005. Disponível em: https://apcz.umk.pl/OM/article/view/OM.2017.005. Acesso em: 21 jun. 2025.