Guarnaccio, Biagio Luca. Manfredi Potentini Vita Gerardi (BHL 3429) Sive Laudatio Sancti Gerardi Episcopi Potentini: Critical Ed. By B.L. Guarnaccio. SHARE Books, 2020, https://www.fedoabooks.unina.it/index.php/fedoapress/catalog/book/195.