Soppelsa, Ottavio, e Antonino Pollio. «De Pulvere Pro Lupis Occidendis: Wolf Poisoning in Southern Italy During the XIII Century». BORNH Bulletin of Regional Natural History 1, no. 2 (marzo 26, 2021): 1–14. Consultato aprile 20, 2025. https://serena.sharepress.it/index.php/bornh/article/view/7928.