Alcoberro, Ramon. “FRÉDERIC II, Roi De Prusse, Oeuvres Philosophiques. Corpus Des Oeuvres De Philosophie En Langue française”. Enrahonar. An international journal of theoretical and practical reason 13 (March 1, 1987): 158–160. Accessed May 15, 2025. https://revistes.uab.cat/enrahonar/article/view/v13-alcoberro.