Rodenbusch, Cornel Peter. “Libellus De Batalla Facienda: Judicial Combat in Catalonia from the Eleventh to the Thirteenth Century”. Acta Periodica Duellatorum 8, no. 1 (October 15, 2020): 25–44. Accessed May 10, 2025. https://bop.unibe.ch/apd/article/view/7128.