E. S. Piccolomini, Commentary on Alfonsi regis dicta aut facta memoratu digna by Antonio Panormita: introduction, edition, and translation by Fulvio Delle Donne, vol. 9. SHARE Books, 2025. Accessed: Oct. 27, 2026. Available: https://www.fedoabooks.unina.it/index.php/fedoapress/catalog/book/978-88-31309-37-0