Alberghina, Mario. “The Unsolved Mystery of the Current Seal of Gioeni’s Academy”. Bullettin of the Gioenia Academy of Natural Sciences of Catania 49, no. 379 (November 24, 2016): FP81-FP90. Accessed May 19, 2024. https://bollettino.gioenia.it/index.php/gioenia/article/view/22.