Brasington, Bruce C. “Sine Testibus Tabulariis: A Late-Twelfth Century Civilian Notabilium in Memory of Professor Dr. Peter Landau”. Vergentis. Revista de Investigación de la Cátedra Internacional conjunta Inocencio III 1, no. 11 (September 30, 2020): 61–74. Accessed December 4, 2024. https://vergentis.ucam.edu/index.php/vergentis/article/view/195.