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. Online. 19 October 2017. Vol. 22, pp. 109-121. [Accessed 30 May 2026]. DOI 10.12775/OM.2017.005.