Guarnaccio, Biagio Luca. Vita Gerardi Episcopi Potentini (BHL 3429): Introduction, Critical Edition, Translation. Vol. 3. BUP - Mediterranean Worlds. SHARE Books, 2020. Accessed September 21, 2026. https://www.fedoabooks.unina.it/index.php/fedoapress/catalog/book/203.