Cosimo de’ Medici at Florence to Averardo de’ Medici at Pisa 18 Diary of Cosimo de’ Medici and his Oration to the Signory of Florence when sentence of exile was pronounced against him 19 Cosimo de’ Medici to his son Piero de’ Medici 31 Niccolò Fortebraccio to Cosimo de’ Medici and Neri di Gino Capponi 34 Lorenzo de’ Medici to his brother Cosimo, Ambassador to Ferrara, in the name of the “Dieci di Balia” 35 Count Francesco Sforza to Cosimo de’ Medici 36 Count Francesco Sforza to Cosimo de’ Medici 38 Count Francesco Sforza to Cosimo de’ Medici 39 Contessina de’ Medici to her son Piero 40 Commissio Laurentii de’ Medicis, 3 Decembris 1438 42 Additio facta Commissioni Laurentii de’ Medicis 43 Francesco Sforza to Cosimo de’ Medici 44 Contessina de’ Medici to her son Giovanni at the Baths of Petriolo [near Siena] 46 Alberto Averardo de’ Alberti, from Rome, to Giovanni de’ Medici 47 Contessina de’ Medici to her son Giovanni in Rome 47 The Same to the Same 48 Contessina de’ Medici to her son Piero 48 Lucrezia de’ Medici, at the Baths of Petriolo; to her husband Piero at Florence 50 Contessina de’ Medici to her son Piero at Trebbio 50 Contessina de’ Medici to her son Giovanni in Rome 51 Cosimo de’ Medici to Giovanni his son in Rome 52 Contessina de’ Medici to Giovanni her son at Volterra 53 Contessina de’ Medici to her son Giovanni at Volterra 54 The Same to the Same 55 Contessina de’ Medici to Ginevra, wife of her son Giovanni, at the Baths of Petriolo 58 Cosimo de’ Medici to his son Giovanni at Milan 59 Lucrezia de’ Medici (from Careggi or Cafaggiuolo) to her husband Piero at Florence 60 Contessina de’ Medici to her son Piero at Venice 62 Cosimo de’ Medici to his son Giovanni at the Baths of Petriolo 62 Contessina de’ Medici to her son Giovanni and his wife Ginevra at Bagno a Morba 63 Pope Pius II. to Cosimo de’ Medici 64