VON GÜTTNER-SPORZYNSKI, Darius. Communicating God’s war. Accounts of holy war in Polish medieval narrative sources. Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders. Online. 9 November 2021. Vol. 26, pp. 43-62. [Accessed 27 July 2024]. DOI 10.12775/OM.2021.002.