. . . . . . "Records and correspondence"@en . . "Records and correspondence" . . . . . . "Petrarch's Letters to classical authors, translated from the Latin with a commentary by Mario Emilio Cosenza"@en . "Letters to classical authors"@en . . . . . . "Petrarch's letters to classical authors"@en . "Petrarch's letters to classical authors" . "Petrarch's Letters to classical authors" . . . . . . .