The catalogue has been much worked over with frequent additions and deletions. The books are grouped but not further arranged under the headings ‘Historici’ (folio 1), 'Poetae' (folio 19 verso), 'Oratores' (folio 34 verso), 'Theologi' (folio 45 verso), 'Legislatores' (folio 58 verso), 'Physici' (folio 72 verso), 'Mathematici' (folio 78 verso), 'Libri Omissi' (folio 89), and 'Libri Manuscripti' (folio 95; including MSS.17795 and 17811). On folios 87 verso-88 verso, 90, 94, and 96 are lists of books in boxes and lent to various people. On the inside of the back cover are presumably the latest additions, including some books published in 1713.