GAHLBECK, Christian. Die Rolle der Stadtkirchen innerhalb der mittelalterlichen Ballei Brandenburg des Johanniterordens. Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders. Online. 29 December 2020. Vol. 25, pp. 325-362. [Accessed 17 July 2024]. DOI 10.12775/OM.2020.013.