Three autograph copies of Dante’s Commedia by Boccaccio have survived:

Toledo, Archivo y Bibl. Capitulares, 104.6: contains the Trattatello in laude di Dante (first redaction), Vita nova and the Commedia dantesca (accompanied by Boccaccio’s Argomenti in terza rima) and Dante’s Canzoni distese.

Florence, Bibl. Riccardiana, 1035: contains Dante’s Comedy (with Boccaccio’s Argomenti in terza rima) and Dante’s Canzoni distese.

Link to the digital collection: teca.riccardiana.firenze.sbn.it/index.php/it/

Vatican City, Bibl. Apostolica Vaticana, Chig. L.VI.213: contains Dante’s Commedia (with Boccaccio’s Argomenti in terza rima).

Another autograph collection by Boccaccio is the manuscript Vatican City, Bibl. Apostolica Vaticana, Chig. L.V.176: containing the Trattatello in laude di Dante (second redaction); Dante, Vita nova; Cavalcanti, Donna me prega (with a gloss by Dino del Garbo); Boccaccio’s carme Ytalie iam certus honos; Dante’s Canzoni distese; Petrarch, Rerum vulgarium fragmenta (Chigi version).