Francesco Petrarca Miscellany of religious verse and prose. 37r Manuscript on paper, Siena [?], 15th-16th centuries. Fol. 37 recto, “Oratione optima a nostra dona di misere,” (RVF 366 "Vergine Bella"). Credit: The Kislak Center for Special Collections, Rare Books and Manuscripts (Facsimile)
