Hackett, Jeremiah. “Roger Bacon’s New Metaphysics (1260-1292): The Integration of Language Study and Natural Science With Metaphysics and Morals”. Revista Española de Filosofía Medieval 28, no. 1 (February 25, 2022): 149–171. Accessed February 22, 2025. https://journals.uco.es/refime/article/view/13970.