London, British Library, General Reference Collection DRT Digital Store 11422.aa.16.

The sonnet offers lengthy digressions on ‘platonic ideas’, with multiple references to ancient, medieval and contemporary philosophers. Rossi makes a reference to Gesualdo and other commentators: ‘il resto è benissimo dichiarato dal Giesualdo, et da altri eccellenti espositori’ (B7r). Another Petrarchan text quoted is RVF 248 (B5r).