TOOMASPOEG, Kristjan. The military orders and the diocesan bishops: a pragmatic relationship. Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders. Online. 30 December 2018. Vol. 23, pp. 93-125. [Accessed 27 April 2024]. DOI 10.12775/OM.2018.004.